User:Abyssal/bla

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Flight through a µCT image stack of an Acropora coral from three views; the "arms" are mostly hollow. This coral had been hot glued onto a stone and later grew over it.

Flight around a three-dimensional object created from the data above

Close-up of a network of *Acropora* polyps

A group of mallards quacking

Female Mallard with five ducklings (Lac Archambeault, Québec)

Several drakes swim in a pond.

The map shows both the Anglia (Angeln) and the Schwansen peninsulas

Three shapes on a square grid — The combined area of these three shapes is approximately 15.57 squares.

A square made of PVC pipe on grass — A square metre quadrat made of PVC pipe.

A rectangle with length and width labelled — The area of this rectangle is $lw$ .

A diagram showing how a parallelogram can be re-arranged into the shape of a rectangle — Equal area figures.

A parallelogram split into two equal triangles — Two equal triangles.

A circle divided into many sectors can be re-arranged roughly to form a parallelogram — A circle can be divided into sectors which rearrange to form an approximate parallelogram.

A diagram showing the area between two functions — The area between two graphs can be evaluated by calculating the difference between the integrals of the two functions

Tubers of Sago Pondweed (*Stuckenia pectinata*), a favorite food of the canvasback

*Baculites* specimen in the field; western South Dakota, Pierre Shale, Late Cretaceous. Part of the phragmocone (left) and part of the body chamber (right) are present.

*Baculites* showing sutures and remnant aragonite; western South Dakota, Late Cretaceous.

*Baculites* from the Late Cretaceous of Wyoming. The original aragonite of the outer conch and inner septa has dissolved away, leaving this articulated internal mold.

Call

Albert Koch's "Hydrarchos" fossil skeleton from 1845

Low flyover by five Canada geese

Low flyover by five Canada geese

A detached bell tower (campanile) at the University of Kansas

Shafer Tower at Ball State University in Muncie, Indiana

Skulls of dire wolf (C. dirus), gray wolf (C. lupus), eastern wolf (C. lycaon), red wolf (C. rufus), coyote (C. latrans), African golden wolf (C. anthus), golden jackal (C. aureus) and black-backed jackal (C. mesomelas)

Blacknose shark (Carcharhinus acronotus)

Silvertip shark geographic range

Bignose shark geographic range

Graceful shark geographic range

Graceful shark (Carcharhinus amblyrhynchoides)

Grey reef shark geographic range

Grey reef shark (Carcharhinus amblyrhynchos) — Grey reef shark (*Carcharhinus amblyrhynchos*)

Pigeye shark geographic range

Pigeye shark (Carcharhinus amboinensis)

Borneo shark geographic range

Copper shark geographic range

Spinner shark geographic range

Spinner shark (Carcharhinus brevipinna)

Nervous shark geographic range

Nervous shark (Carcharhinus cautus)

Whitecheek shark (Carcharhinus dussumieri)

Silky shark geographic range

Creek whaler geographic range

Creek whaler (Carcharhinus fitzroyensis)

Galapagos shark geographic range

Pondicherry shark geographic range

Pondicherry shark (Carcharhinus hemiodon)

Finetooth shark geographic range

Smoothtooth blacktip shark geographic range

Smoothtooth blacktip shark (Carcharhinus leiodon)

Bull shark geographic range

Blacktip shark geographic range

Oceanic whitetip shark geographic range

Hardnose shark geographic range

Hardnose shark (Carcharhinus macloti)

Blacktip reef shark geographic range

Dusky shark geographic range

Caribbean reef shark geographic range

Caribbean reef shark (Carcharhinus perezi) — Caribbean reef shark (*Carcharhinus perezi*)

Sandbar shark geographic range

Smalltail shark geographic range

Blackspot shark geographic range

Blackspot shark (Carcharhinus sealei)

Night shark geographic range

Spot-tail shark geographic range

Spot-tail shark (Carcharhinus sorrah)

Australian blacktip shark geographic range

Australian blacktip shark (Carcharhinus tilstoni)

Fossil teeth of *Carcharias holmdelensis* from Israel, Upper Cretaceous

Fossil teeth of *Carcharias samhammeri* from Israel, Upper Cretaceous

50 second video of snails (most likely Natica chemnitzi and Cerithium muscarum) feeding on the sea floor in the Gulf of California, Puerto Peñasco, Mexico

50 second video of snails (most likely Natica chemnitzi and Cerithium stercusmuscaram) feeding on the sea floor in the Gulf of California, Puerto Peñasco, Mexico

Two males roaring

X-ray image of the shell of *Charonia lampas*

The struggle between a starfish and an Atlantic triton can last up to an hour before the seastar is subdued by the snail's paralyzing saliva.

Separate plates from *Matthevia*, a Late Cambrian polyplacophoran from the Hellnmaria Member of the Notch Peak Limestone, Steamboat Pass, southern House Range, Utah are shown with a US one-cent coin (19 mm in diameter).

Oregon conservation video: If video play problematic, try external links within citations.^[4]^[5] Note list of factors at 0:30–0:60 and hoop trap at 1:50–2:00.

A large turtle statue standing on two legs and holding a Canadian flag in one hand an American flag in the other. — *Tommy the Turtle*

Vocalising

Blue jay cracking nuts

Adult voicing cat-like sounds at Wildwood Preserve Metropark, Ohio, USA

Time-lapse video of a blooming echinopsis

Earliest published illustration of the species (a male), Mark Catesby, 1731

Turnaround video of an adult male specimen at Naturalis Biodiversity Center

Turnaround video of an adult female specimen at Naturalis

Turnaround video of a juvenile female specimen at Naturalis

Nesting captive bird, wary of the photographer

Vocalizations of the Big brown bat vary with behavioral context

Adult female in Winnipeg, Manitoba, Canada

Eastern Christian *ripidion*, 19th century (Pskov museum).

Swimming

Lateral view of the tongue, with extrinsic muscles highlighted

Coronal section of tongue, showing intrinsic muscles

A Mississippi map turtle swimming in a tank at a pet store.

Bald eagle in flight at Yellowstone National Park, Wyoming

Hyla gratiosa males calling

Left-handed and right-handed helicities

Each generation forms a weak isospin doublet.

File:Eastern Kingsnake (2008).jpg.

L. g. getula can be quite docile even when caught wild.

Young milk snake found in central Tennessee that had just eaten a lizard

File:Eastern Kingsnake (2008).jpg.

L. g. getula can be quite docile even when caught wild.

Bobcat kittens in June, about 2–4 months old

Bobcat in urban surroundings: The species' range does not seem to be limited by human populations, as long as it can still find a suitable habitat.

The bobcat population has seen decline in the American Midwest, but is generally stable and healthy.

Comparison of woolly mammoth (L) and American mastodon (R)

Comparison of a woolly mammoth (left) and an American mastodon (right).

Lyuba, a mummified woolly mammoth calf, at the Field Museum of Natural History in Chicago

Marpesia from *Promptuarii Iconum Insigniorum*

Red-bellied woodpecker feeding on the ground, Central Park, New York, USA.

A roast turkey surrounded by Christmas log cake, gravy, sparkling juice, and vegetables

Three O. v. borealis, New Hampshire

White-tailed bucks with antlers still in velvet, August 2011

*Odocoileus virginianus* skull, part of an exhibition on the cultural artifacts of the Cora people of Western Mexico.

The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increase the farther south they are located.

Mother about to pick up a cub by the neck

Jaguars at Cameron Park Zoo in Waco, Texas

Illustration of a jaguar killing a tapir, the largest native land animal in its range

Moche jaguar figurine (300 AD), Larco Museum Lima, Peru

Call of the Scarlet Tanager

Common grackle

Reindeer losing the velvet layer under which a new antler is growing, an annual process

Reindeer standing on snow to avoid blood-sucking insects.

Southernmost reindeer: South Georgian reindeer with velvet-covered antlers

Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas lights

Rhinobatos hakelensis fossil

Close-up of Sphyraena barracuda

Sphyraena borealis

The interior of two fossil valves of *Spondylus* from the Pliocene of Cyprus

A fossil *Spondylus gaederopus* from the Pliocene of Cyprus

Barred Owl song, recorded in Florida, USA

(video) A tapir at Ueno Zoo.

*Terebra inversa*, a fossil gastropod from Pliocene deposits near Antwerp.

Eastern Plains garter snake (*T. radix radix*), a disputed subspecies of *Thamnophis radix*

Comparisons of "trapezium" in both British and American English.

Cut-away view of an air foil bearing-supported turbocharger

On the left, the brass oil drain connection. On the right are the braided oil supply line and water coolant line connections.

Compressor impeller side with the cover removed.

Illustration of typical component layout in a production turbocharged gasoline engine.

A free floating turbocharger is used in the 100 litre engine of this Caterpillar mining vehicle.

A medium-sized six-cylinder marine diesel-engine, with turbocharger and exhaust in the foreground

Male sings

Umbraculum in the Basilica of Saint Stanislaus Kostka in Winona, Minnesota

Cinnamon-colored black bear eating dandelions in Waterton Lakes National Park

American black bears can be distinguished from brown bears by their smaller size, their less concave skull profiles, their shorter claws and the lack of a shoulder hump.

Female with cubs in Parc Omega, Quebec

The incidence of bear attacks in parks and campgrounds declined after the introduction of bear-resistant garbage cans and other reforms.

Ainu bear sacrifice. Japanese scroll painting, c. 1870

People wearing traditional Ainu clothes in Hokkaido

Long legs allow moose to wade easily through deep water or snow.

Moose scat is commonly found on trails. Some souvenir shops sell bags of it, sealed with shellac and labeled with humorous names.

Warning sign in Alaska where trees and brush are trimmed along high moose crossing areas so that moose can be seen as they approach the road.

File:MSU V1 - Alces alces pack animals 2.png

Moose kept as pack animals, Pechora-Ilych Nature Reserve, December 1952

The Arctic fox's seasonal furs, summer (top), "blue" (middle), and winter (bottom)

Carpenter ant colony in an old fir stump

Two males roaring

Vocalizations of Delphinapterus leucas published by NOAA

Video explaining conservation efforts in the Sea of Okhotsk, Russia

A sea otter's thick fur makes its body appear plumper on land than in the water

File:MSU V2P1b - Enhydra lutris skull.png

Skull, as illustrated by N. N. Kondakov

Sea otters keep kelp forests healthy by eating animals that graze on kelp

Remote areas of coastline, such as this area in California, sheltered the few remaining colonies of sea otters that survived the fur trade

In the wake of the March 1989 Exxon Valdez oil spill, heavy sheens of oil covered large areas of Prince William Sound

File:Moss-landing-otter.jpg

Sea otters like this one near Moss Landing are a tourist attraction in the Monterey Bay area in California

A close-up of a gray whale's double blow hole and some of its encrusted barnacles

Gray whale breaching off the coast of Santa Barbara, California

Relative sizes of sleeping Steller sea lion pup, adult female, and male on Yamsky Islands in the northeast Sea of Okhotsk

Steller sea lion pup (Kuril Islands, Russia)

Steller sea lion releasing air underwater

Pika *Ochotona* sp. fossil distribution. Extinct pikas and *Ochotona* indet. are red, steppe pika *O. pusilla* blue, northern pika *O. hyperborea* green, other extant pikas black.^[21]^[22]^{[n 1]}

Photo of several walruses, with prominently displayed white pairs of tusks — Young male Pacific walruses on Cape Pierce in Alaska. Note the variation in the curvature and orientation of the tusks and the bumpy skin (bosses), typical of males.

Photo of walrus in ice-covered sea. — Walrus using its tusks to hang on a breathing hole in the ice near St. Lawrence Island, Bering Sea

Photo of five walruses on rocky shore — Walruses fighting

Vibrissae of captive walrus (Japan)

Photo of section of tusk — Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses, on display in the Magadan Regional Museum, Magadan, Russia

Trained walrus in captivity at SeaWorld San Antonio

Photo of two masks: In the center is the image of a face, surrounded by a ring, in turn surrounded by eight white rectangular pieces. — Walrus ivory masks made by Yupik in Alaska

Nunivak Island, Alaskan muskoxen in the 1930s, shown here in defensive formation

Muskox in Dovrefjell National Park, Norway

*Picea* used in coat-of-arms of Kuhmo, Finland

Spruce (*Picea mariana*) essential oil in a clear glass vial

Huangshan pine (*Pinus hwangshanensis*), Anhui, China

Edible seeds of the Korean pine (*Pinus koraiensis*)

Popular *Populus* variety G48 in Punjab, India; Jhalli Farms Village Niara/Hoshiarpur

North-west coast of Estonia near Nõva, Lääne county

File:MSU V2P1a - Saiga tatarica carcass.png

Remains of male saiga killed by a pair of gray wolves at a waterhole. Chu river valley, Kazakhstan. 3 November 1955.

Stuffed saiga herd at The Museum of Zoology, St. Petersburg

*Tsuga diversifolia* foliage and cones in snow

Tsuga (*Tsuga canadensis*) essential oil

Kits coming out of their den

Fox barks, UK, January 1977

Reynard the Fox in an 1869 children's book

Nine-tailed fox, from the Qing edition of the *Shan Hai Jing*

Skulls of European bison (left) and American bison (right)

A group of images by Eadweard Muybridge, set to motion to illustrate the movement of the bison

Footage of a gray wolf taken from Abruzzo Natural Park showing advanced signs of canine distemper

*Waiting for a Chinook* (c. 1900), Charles Marion Russell

Cro-Magnon artists painting mammoths in Font-de-Gaume, by Charles R. Knight, 1920

A third of this model is covered with the skin of the "Berezovka mammoth", Museum of Zoology, St. Petersburg

Model of an adult, Naturkundemuseum Stuttgart

Assemblage of bones, illustrated as discovery in situ, of *Equus scotti*

Artist's reconstruction of Hagerman horse (left) with Grevy's zebra (middle) and Domesticated horse (right).

Juvenile male – young males spend their first winters with their mothers.

Roadrunner beak clatter

Greater roadrunner warming itself in the sun, exposing the dark skin and feathers on its back.

Three views of the same specimen

A baculum from Indarctos arctoides.

Early restoration by Lancelot Speed from 1905 depicting *Machairodus* with tiger-like markings

"Ten" from the Gazu Hyakki Yagyō by Sekien Toriyama

Skulls of a long-tailed weasel (top), a stoat (bottom left) and least weasel (bottom right), as illustrated in Merriam's *Synopsis of the Weasels of North America*

A petroglyph of a caravan of bighorn sheep near Moab, Utah, United States, a common theme in glyphs from the desert southwest

*Sciurus aberti ferreus*: foothills west of Denver

Alarm call

Statue of Columella, holding a sickle and an ox-yoke, in the Plaza de las Flores, Cádiz

Rutger Smith in phases of the discus throw

A young *E. lucius* specimen—a "Chain pickerel" in the original sense—in an aquarium.

Fossil Esox

Narrow-leafed ash (*Fraxinus angustifolia*) shoot with leaves

In 1957, the whooping crane was featured on a U.S. postage stamp supporting wildlife conservation.

Walnut shoot cut longitudinally to show chambered pith, scale in mm

Wallace's Selaginella (*Selaginella wallacei*)

Mer Bleue Conservation Area, a large, protected *Sphagnum* bog near Ottawa, Ontario, Canada

Coywolf hybrid conceived in captivity between a male gray wolf and a female coyote

Video of captive maned wolves at Ueno Zoo, in Japan

A maned wolf and pup at White Oak Conservation

Video of lioness and her cubs in the wild, South Africa

The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois, the United States of America

East African lions seeking refuge from flies by climbing a tree near Lake Nakuru

Daniel in the lions' den is an account in Daniel 6 in the Bible

The Council of Nicaea, with Arius depicted beneath the feet of the Emperor Constantine and the bishops

The Arian Baptistry erected by Ostrogothic king Theodoric the Great in Ravenna, Italy, around 500

The rattle of a Western Diamondback Rattlesnake (notice the black and white coloring on the lower right)

Motionless individual, alert to danger, will whistle when alarmed to warn other groundhogs

Skeleton of an American mink from the Muséum national d'histoire naturelle

File:MSU V2P1b - Mustela vison skull.png

Skull, as illustrated by N. N. Kondakov.

American mink paws, as illustrated by Ernest Thompson Seton

A southern mink (*N. v. vulgivagus*) in a threatening posture

An American mink in Lithuania's Kėdainiai district

Illustration of an American mink approaching a board or log trap

Various American mink colour mutations

Distribution in Germany: Raccoons killed or found dead by hunters in the hunting years 2000–2001, 2001–2002 and 2002–2003 in the administrative districts of Germany

File:Waschbär - Common raccoon (32019008882).jpg

Raccoon model, Natural History Museum, London

Water diversion is one of the factors affecting conservation efforts for the green sturgeon.

The Rheinwaldhorn (left) seen from south of Vals

The Rheinwaldhorn seen from the Paradies Glacier

Example of a coin image from ancient Delphi thought by one antiquarian to represent Aesop.

File:Oedipe et Antigone by Johann Peter Krafft (1809).png

Oedipe et Antigone by Johann Peter Krafft (1809)

Pronghorn herd, Yellowstone National Park

Florida scrub jay, *Aphelocoma coerulescens*

Juvenile Florida scrub jay at Blue Spring State Park, Florida

Large groups of northern shovelers swim rapidly in circles to collect food from the surface by creating a funnel effect.

Athena depicted on a coin of Attalus I, ruler of Pergamon, c. 200 BC

The Parthenon on the Athenian Acropolis, which is dedicated to Athena Parthenos^[41]

Greater white-fronted geese, Texel Netherlands (2013)

Anser albifrons – Greater White-fronted Goose – XC96532

The formidable foot and talons of a golden eagle

Calls of a Golden Eagle, recorded at Kinlochewe, Scotland, July 1969

Two golden eagles in an aerial conflict over their home ranges, the upper bird clearly a juvenile.

*Anadara* valve interior showing taxodont dentition; Pliocene of Cyprus.

*Arbutus menziesii* lignotuber near ground level provides fire-resistant storage of energy and sprouting buds if fire damage requires replacement of the trunk or limbs. Note the typically smooth orange bark on the upper portion of the trunk.

Common Bearberry *Arctostaphylos uva-ursi*

Porcupine Seabight, South West Ireland, showing chevrons

A frontal view of a fin whale, showing asymmetrical colouration

A immature fin whale in distress off national park of Caesarea Maritima

Northern great horned owl (*B. v. subarcticus*) in Manitoba

Californian great horned owl (*B. v. pacificus*) stretching, Bernal Hill Park, San Francisco

Composite photo of great horned owl flight phases

Closeup of great horned owl toes and talons

File:Bursa

Bursa

Interior of the Ulu Cami (Grand Mosque), showing the fountain (şadırvan) for ritual ablutions.

Red-tailed hawk hovers in the wind

Red-tailed hawk eating a rodent

Cancers are caused by a series of mutations. Each mutation alters the behavior of the cell somewhat.

*Ceanothus americanus* (fruit left, flowers right)

Male basking shark

Head of a basking shark

Vocalization

Greater snow geese in flight

File:Cinnamomum parthenoxylon.JPG

Leaves of Cinnamomum parthenoxylon

Video loop of a school of Atlantic herring migratiing to their spawning grounds in the Baltic Sea

LC IUCN 3 1.svg

Entomologist Edward F. Knipling proposed the sterile insect technique.

Sterile *C. hominivorax* male labeled with a number to study the behavior, dispersal, and longevity of the fly

An American crow making its distinctive call.

Adult whistling swans (*C. c. columbianus*). Click to magnify for seeing variation in the yellow bill spots.

Flock of adult and young whistling swans

Cyma molding profile (left) and shadow pattern (right)

Leatherback turtle covering her eggs, Turtle Beach, Tobago

A leatherback turtle with eggs, photo taken on Montjoly beach (French Guiana)

A kangaroo rat narrowly escaping an attack by a Mohave rattlesnake

An example of baleen plates; there are about 50 plates in this photo.

A map of the world, green shows on several continents, but there are also several big bare spots marked with E for extinct. — Breeding ranges of the subspecies

Painting of *F. p. babylonicus* by John Gould

*F. p. minor*, illustration by Keulemans, 1874

Closeup of head showing nostril tubercle

Falco peregrinus, Sandy Hook, New Jersey, USA.

Silhouette in normal flight (left) and at the start of a stoop (right)

*F. s. silvestris*: a European wildcat in Germany

*F. nigripes*: a captive black-footed cat

Aerial root that may eventually provide structural support

Fig tree roots overgrowing a sandstone Buddha statue, near Wat Maha That in Ayutthaya province, Thailand

Atlantic puffin, Lundy, UK

Adult outside nesting burrow on the Kuril Islands

Northern fulmar

Bird Sound

Juvenile tiger shark in the Bahamas

Video of juvenile tiger shark at Lord Howe Island, Australia, from PLOS ONE

Male stickleback with red throat and shiny blue eye

Breeding, top, and non-breeding, bottom, black-throated loons

A video of a black-throated loon foraging

Agassiz's desert tortoise in Rainbow Basin near Barstow, California

California oak savanna on the east flank of Sonoma Mountain

Evolutionary tree chart emphasizing the subfamily Homininae and the tribe Hominini. After diverging from the line to Ponginae the early Homininae split into the tribes Hominini and Gorillini. The early Hominini split further, separating the line to *Homo* from the lineage of *Pan*. Currently, *tribe* Hominini designates the *subtribes* Hominina, containing genus *Homo*; Panina, genus *Pan*; and Australopithecina, with several extinct genera—the subtribes are not labelled on this chart.

Juniper (*Juniperus osteosperma* and *scopulorum*) essential oil

File:File:21 - Lima - Août 2008.jpg

Lima

Pachacamac was an important religious centre before the arrival of Spanish conquistadors

The Walls of Lima were built between 1684 and 1687 by viceroy Melchor de Navarra.

Lima as seen from the International Space Station

Once they leave the nest, chicks follow their parents to the nearest water.

Alligator gar are stalking, ambush predators

Alligator gar maneuvering with pectoral fins in large zoo aquarium

Black-tailed jackrabbit in Texas, cooling off in the shade on a hot summer's day.

The river otter's streamlined shape allows it to glide through the water.

Sliding across ice is an efficient means of travel. Note the long, tapered tail.

Video of a young singing humpback whale in the waters of Vava'u, Tonga

Humpbacks frequently breach, throwing two-thirds or more of their bodies out of the water and splashing down on their backs.

Spectrogram of humpback whale vocalizations: detail is shown for the first 24 seconds of the 37-second recording "Singing Humpbacks". In this recording, the ethereal whale "songs" are heard before and after a set of echolocation "clicks" in the middle.

Singing Humpbacks

Recording of Humpback Whales singing and Clicking.

*Problems playing this file? See media help.*

Photo of beached whale with observers in background — A dead humpback washed up near Big Sur, California

Living specimen of *Megathura crenulata* with mantle extended over much of its shell.

The Barstow Formation in which *Merriamoceros* was discovered

Male elephant seals fighting for mates.

Male elephant seals fighting for mates

Mithras-Helios, in Phrygian cap with solar rays, with 1st century BC Antiochus I Theos of Commagene. Found at Mount Nemrut, in present-day eastern Turkey.

Chemical structure of the prototypical NaSSA mirtazapine (original brand name **Remeron**).

Ventral view of live specimen of *Neobernaya spadicea* crawling on aquarium glass, anterior end to the bottom

Oleandrin, one of the toxins present in oleander

The first oleander planting in Galveston, Texas

Mule deer foraging on a late winter morning at Okanagan Mountain Provincial Park

Buck grazing near Leavenworth, Washington

1817 draft by Percy Bysshe Shelley, Bodleian Library

An illustration of a shark head (sideview). Visible are wrinkles and an exaggerated nose and eyes, and at the bottom are two individual drawings of shark teeth — The depiction of a shark's head by Nicolas Steno in his work *The Head of a Shark Dissected*

A brown pelican opening mouth and inflating air sac to display tongue and some inner bill anatomy.

Brown pelicans diving into the sea to catch fish in Jamaica

American white pelicans gathering at Pelican Island National Wildlife Refuge in Florida.
Brown pelicans can also be seen in center, and at left and right margins.

American white pelicans fishing in a group near Corte Madera, California

The double-crested cormorant's crests are normally not visible

Little black cormorant, *Phalacrocorax sulcirostris*

Captive Greater flamingos feeding

Moche Ceramic Depicting Flamingo (200 AD) Larco Museum Collection Lima, Peru

In intertidal reef-flat environments, massive *Porites* form characteristic microatoll formations, with living tissues around the perimeter, and dead skeleton on the exposed upper surface. Microatoll growth is predominantly lateral, as vertical growth is limited by a lack of accommodation space.^[53]

The western part of the main street (Western Gate Street) with drainage

Japanese cherry (*Prunus serrulata*) in bloom

Comparison between *P. olsoni* and *P. puffinus*

Mountain Lion warning sign in California, USA.

*R. l. aequatorialis* (left) and nominate (right)

Drupes of a staghorn sumac in Coudersport, PA

*Sebastes norvegicus* at the New England Aquarium.

A mid-15th century Florentine world map based on the 1st (modified conic) projection in Jacobus Angelus's 1406 Latin translation of Maximus Planudes's late-13th century rediscovered Greek manuscripts of Ptolemy's 2nd-century *Geography*. Serica is shown in the far northeast of the world.

Restoration of *S. nitida* as a semi-aquatic animal

An *Eulenloch* ("owl-hole") in northern Germany lets barn owls access the attic for nesting

Brood prior to fledging, beginning to shed their nestling down

Three barn owl chicks threatening an intruder

Barn owl on Lithuanian silver coin of 5 litas (2002)

Indo-Pacific bottlenose dolphin, T. aduncus

Bottlenose dolphin responding to human hand gestures.

Photo of two animals at surface surrounded by spray — A bottlenose dolphin attacks and kills a harbour porpoise at Chanonry Point, Scotland

At Notojima Aquarium, Japan

Bottlenose dolphin (at Hundred Islands National Park).

Chipmunks in northern Wisconsin

California thrashers in mating ritual at Descanso Gardens, California.

Lignotuber near ground level provides fire-resistant storage of energy and sprouting buds if fire damage requires replacement of the trunk or limbs.

Nearly ripe bay nuts being prepared for roasting.

Herring gull steals an egg, Lundy

Adults feeding chick, Lundy

Male common side-blotched lizard, with blue and yellow coloration and a characteristic dark blotch behind the forearm

the orbits of Mercury, Venus, Earth and Mars are seen in motion from the top down against a spiderweb graph. Earth's orbit leaves a blue trail, while Venus's orbit leaves a yellow trail — Venus orbits the Sun at an average distance of about 108 million kilometres (about 0.7 AU) and completes an orbit every 224.7 days. Venus is the second planet from the Sun and orbits the Sun approximately 1.6 times (yellow trail) in Earth's 365 days (blue trail)

A photograph of the night sky taken from the seashore. A glimmer of sunlight is on the horizon. There are many stars visible. Venus is at the centre, much brighter than any of the stars, and its light can be seen reflected in the ocean. — Venus is always brighter than all other planets or stars as seen from Earth. The second brightest object on the image is Jupiter.

Venus is shown in various positions in its orbit round the Sun, with each position marking a different amount of surface illumination — Galileo's discovery that Venus showed phases (although remaining near the Sun in Earth's sky) proved that it orbits the Sun and not Earth

♀

Captive sea lion performing

*Zygolophodon tapiroides* tusks excavated in Milia (Greece)

Agrilus biguttatus on a stump of a tree

Agrilus crepuscularis holotype.

Andrena vaga visiting her nest

The hand of a person with severe anemia (on the left) compared to one without (on the right)

Anthomyia procellaris laying eggs into faeces on a stump of tree

Female Callomyia amoena

"Dog Town" or settlement of prairie dogs

Cionus tuberculosus (Curculioninae)

Two males in a territorial display during spring

Northern flicker feeding juvenile at nest cavity entrance

Cylindrotoma distinctissima in copula

The beating heart of Daphnia under the microscope

File:Continuous Venon Venous Haemofiltration with pre and post-dilution (CVVH).svg

Continuous veno-venous haemofiltration with pre- and post-dilution (CVVH)

D. hyalipennis

D. linearis

D. rufipes

Empis (Xanthempis) lutea, female feeding honeydew

Bottle of ephedrine, an alkaloid found in ephedra

Four globular clusters in Fornax.^[60]

A photograph of the wing of a tsetse illustrating the hatchet shaped central cell

Hollies (here, *Ilex aquifolium*) are dioecious: (above) shoot with flowers from male plant; (top right) male flower enlarged from female plant; (lower right) female flower enlarged, showing stamen and reduced, sterile stamens with no pollen.

The underside of a fertile frond of *Dicksonia antarctica*. Each circular brown structure is an individual sorus.

Different depictions of Janus from Bernard de Montfaucon's *L'antiquité expliquée et représentée en figures*

File:Amsterdam Women's March L1003135-Edit (32399726686) (cropped).jpg

Protest sign from the Amsterdam Women's March in 2017 reading "A Woman's Place is in the Resistance" over a photograph of Princess Leia.

Ripe wild crab apples (*Malus sylvestris*)

Baskets of crab apples for sale in Connecticut in 1939.

Dawn redwood foliage - note opposite arrangement

File:File:Metasequoia occidentalis.jpg

Metasequoia occidentalis

Musca (as Apis) can be seen in the upper right of this extract from Bayer's *Uranometria* of 1603

Skull, as illustrated in Merriam's *Synopsis of the weasels of North America*

Mature female (*N. clavipes*), Davie, Florida

Far Eastern curlews in Olango Island Group, Philippines.

Mandible of the type species P. minuta, from Schlosser 1888

Phyllobius virideaeris in copula

Right dentary dentition of a juvenile P. wilsoni from the White River Badlands.

Differing plumages of male (left), female (center) and immature little crakes (*P. parva*)

Footage of the now-extinct Laysan rail (P. palmeri)

R. limbata

*S. albidum* is a host plant for the spicebush swallowtail.

The red-breasted nuthatch is said to have a call^ⓘ like a tin trumpet.

Cross-section of a western rock nuthatch nest cavity with a mud wall and tunnel across its entrance.

White-breasted nuthatch, common in much of North America

Deciduous woodland is the preferred habitat in the northeast

Feeding on Suet

Spermophagus sp.

The insignia of a full Stratigós of the Hellenic Army.

Tenor voice range (C₃–C₅) notated on the treble staff (left) and on piano keyboard in green with dot marking middle C (C₄). Note that the numeral eight below the treble clef indicates that the pitches sound an octave lower than written: see Clef#Octave clefs. This is the standard clef for tenor parts in scores.

The Getty Villa, an adaptation of the Villa of the Papyri, in Pacific Palisades, Los Angeles

Aerial view of giant "villa colonies" (Villenkolonien) in Dresden, Germany: Gründerzeit quarters of Blasewitz (incl. *Tolkewitz* and *Striesen*), Gruna and Johannstadt.

Example of Modern architecture villa in Sicily, Italy

Abapertural view of a shell of *Sinistrofulgur perversum*

Left valve interior of *Mercenaria mercenaria*

An old quahog shell that has been bored (producing *Entobia*) and encrusted after the death of the clam

A whale shark in the Philippines with remoras

A whale shark in the Georgia Aquarium

Snorkelling with whale shark near Isla Mujeres (Mexico) 30 August 2011

Jaw

Video: Accipiter cooperii

Typical fall foliage in red maple country.

Samaras from a specimen in Milford, New Hampshire

Mature bark, at Hemingway, South Carolina

Male calling and entering amplexus

'*Acropora cervicornis*, Bonaire, 2007, notice the "stems" reacting to a disease.

Agitated male

Distribution: Blue = *A. p. piscivorus*; Red = *A. p. conanti*, Green = *A. p. leucostoma*, Gray = intergradation^[64]

X-ray video of a female American alligator showing contraction of the lungs while breathing

American alligator in the Everglades

Bowfin activity in an aquarium.

Drawing of a bowfin skull showing the bony plates protecting the head

Lateral view of a Bowfin skull. The dermal bones that are seen are composed of dermatocranium and cover the chondrocranium which is present but is located underneath the layer of dermatocranium. This specimen came from the Pacific Lutheran University Natural History collection.

*Amia calva* distribution in the eastern U.S., as well as from the St. Lawrence River and Lake Champlain drainage of southern Ontario and Quebec, westward around Great Lakes in southern Ontario into Minnesota

*Anas rubripes* female, Hudson River, New Jersey, USA

Chart showing differences between the American black duck and the female mallard

*M. sejunctus* front and back feet (right) and *M. sphenodus* lower jaw fragment

In Texel, North Holland, Netherlands

Norwegian minke whale quotas (blue line, 1994–2006) and catches (red line, 1946.2005) in numbers (from Norwegian official statistics)

Common minke whale breaching in the St. Lawrence River near Tadoussac, Quebec

Apical, apertural and umbilical view of the shell of *Biomphalaria tenagophila*. Scale bar is 3 mm.

Captive boa constrictor strike-feeding on large (already dead) rat

For sale in a Japanese supermarket, 2014

An apertural view of the shell of *Bulimulus dealbatus*^[65]

Broad-winged hawk at Isle Royale National Park

*Gaegogi* (dog meat) stew being served in a Korean restaurant

Hertzsprung Russell diagram showing Capella Aa and Ab — H-R diagram show an evolutionary track for a star of approximately the mass of the two Capella giants. The current states of Capella Aa and Ab are marked.

Photo of bull shark in shallow water — Bull shark (Bahamas)

Diagram indicating the differences between *C. taurus* and *O. ferox*

Annual movements of sand tiger sharks off South Africa and Australia

Hatchling running to sea

Calanque de Port-Miou — Port-Miou calanque in Cassis

50 second video of snails (most likely Natica chemnitzi and Cerithium muscarum) feeding on the sea floor in the Gulf of California, Puerto Peñasco, Mexico

Parent protecting small chicks by performing a distraction display to draw attention to itself away from the nest

Drawing of turtle carapace and plastron showing respectively, vertebral, costal, marginal, and supracaudal and intergular, gular, pectoral, abdominal, humeral, femoral, anal, axillary (anterior inframarginal), and ingiunal (posterior inframarginal) shields — Scalation of carapace and plastron

Photo from front of swimming turtle — In a public aquarium

Political cartoon depicting merchants attempting to dodge the "Ograbme"

Video of a circus from 1954.

Cirque du Soleil performing *Dralion* in Vienna, 2004

Elephants from Cole Brothers Circus parade through downtown Los Angeles, 1953

Elephant act at a 2009 circus in Pachuca, Hidalgo, Mexico. In December 2014, as a response to reports of animal mistreatment, the Mexican Congress passed a law banning the use of animals in any circus in the country.^[71] The law set fines for violations and required circuses to submit lists of the wildlife they possessed, which would then be made available to zoos interested in taking the animals.^[71]

*C. adamanteus* showing one of its venomous fangs, Louisville Zoo, Louisville, KY

*F. c. columbarius* hunting a northern blue jay (*Cyanocitta cristata bromia*), Mount Auburn Cemetery, Massachusetts, United States

Mated pair on a lake, Kenai National Wildlife Refuge, Alaska

Opossum considers a bagel, but walks away

When injured or threatened, the Virginia opossum is well known for attempting to fake death or "play possum", as seen in this photo.

Close-up of the hawksbill's distinctive beak

Photo of swimming turtle with extended head — *E. imbricata* in a coral reef in Venezuela

Photo of small turtle walking across sand — Hawksbill hatchling in Puerto Rico

Video of adults foraging on Bonita Beach, Bonita Springs, Florida, United States

*Euglandina rosea* from W. G. Binney, 1878.^[73]

Left to Right: *Euglandina rosea* (2 specimens), *Euglandina rosea bullata*, and *Euglandina vanuxemensis*. from W. G. Binney, 1878.^[74]

Subadult with partly regrown tail pictured in parkland in Memphis, Tennessee

*The Expulsion from the Garden of Eden* showing Adam and Eve with and without fig leaves, by Masaccio, 1426–27

Map of Florida, likely based on the expeditions of Hernando de Soto (1539–1543).

St. Augustine is one of oldest cities in Florida, established in 1565. The Spanish-Floridan color scheme of red and white is repeated throughout downtown.

The Brickell Financial District in Miami contains the largest concentration of international banks in the United States.^[77]^[78]

Miami Art Deco District, built during the 1920s–1930s.

The Miami Metrorail is the state's only rapid transit system. About 15% of Miamians use public transit daily.

Moorhen sighted in Fangu, Corsica (France)

Video of a male calling

Bubbles, the pilot whale, performing at Marineland of the Pacific, 1962

Courtship ritual and mating

A huge flock at Bosque del Apache National Wildlife Refuge, New Mexico

Describes the natural history of H. simus

Male Hyla cinerea calling

Pair breeding

Photo of a live pinfish, Lagodon rhomboides

Moche Ocelot. 200 A.D. Larco Museum Collection Lima, Peru

Large shellcracker before preparation for consumption

Antique illustration of large sea snail shell with flaring lip, as viewed more or less from the apex — Adult shell, apical view, Gualtieri, 1742

Similar large shell viewed from the apertural side — Adult shell, ventral view, Gualtieri, 1742

Similar shell viewed from the side opposite the aperture — Adult shell, dorsal view, Gualtieri, 1742

A drawing depicting the shell of *Lobatus raninus* from Index Testarum Conchyliorum (1742).

A conger eel which has set up home in a *Lophelia* bed

Alligator snapping turtle using its vermiform appendage to lure prey. (Peckham's mimicry)

Live *M. quinquiesperforata* (underside)

Songs and calls

Calling during spring

Brown-headed cowbird, one call

Brown-headed cowbird male (right) courting female

File:Gonfalone del comune di Stazzema.jpg

Flag of the Comune of Stazzema, decorated with the military Gold Medal for Military Valour.

A Nerodia fasciata attempting to prey on a parvalbumin-coated lure. Parvalbumin is involved in prey signaling.^[83]

Fossil nummulitid foraminiferans showing microspheric and megalospheric individuals; Eocene of the United Arab Emirates; scale in mm.

Feeding on crayfish

Nesting yellow-crowned night herons with nestlings

Mandible with large incisor with the number 117384 written on it — Mandible of a marsh rice rat from New Jersey, seen labially (from the outer side)^[89]

Cap badge of the Selous Scouts was a stylized osprey

Probably *P. s. oblitus*, Kirkfield, Ontario, Canada

A group of immature birds at Lago de Oviedo, Dominican Republic

19th century illustration of *Pistia stratiotes*

Rails (Rallidae, "tikling"), feeding in Pistia stratiotes, Paombong, Bulacan).

Fish on left and right are black drum caught in the jetties of Calcasieu Pass, Cameron Parish, Louisiana. A red drum is in the middle. The drum were caught using shrimp for bait on 80 lb braided line and steel leaders.

Flowerhead of *Persicaria maculata* (syn. *Polygonum persicara*)

Three views of a shell of *Polygyra septemvolva volvoxis*.

The avenue of live oaks at Boone Hall in Mount Pleasant, South Carolina, planted in 1743.

Each retina of the Manx shearwater has one fovea and an elongated strip of high photoreceptor density. The pecten has many blood vessels and appears to keep the retina supplied with nutrients.^[93]

A captive giant otter, when feeding, grasps prey in its forepaws and begins eating immediately, at the head.

Characins such as piranha species are prey for the giant otter, but these aggressive fish may also pose a danger. Duplaix speculated that piranhas may attack giant otters.

Calls recorded in Surrey, England

Manipulation of food items by paws and head

Fox squirrel pausing from building its nest in an attic in Berkeley, California.

Saw palmettos beneath the larger evergreen canopy in the Apalachicola National Forest in Florida

Examples of scrapers. In American English, the rubber scraper (left) is often called a spatula by some because it is a flat utensil used for scraping or spreading. The tool on the right is also called a dough cutter.

Song

Map of Tocobaga Indian Territory — At the time of First Contact.

Underwater photo of three manatees swimming along bottom — A group of three manatees

Antillean manatee

Trichechus sp.

All the hairs of the manatee may be vibrissae

Wandering tattler (*Tringa incana*), formerly in *Heteroscelus*

Willet (*Tringa semipalmata*), formerly in monotypic *Catoptrophorus*

Audubon's illustration of nesting house wren

Adult bringing food for young (note begging calls)

Turnaround video of a Martinique wren specimen, Naturalis Biodiversity Center

Motion of a Typhlops, not like an earthworm. (Video shot in Taiwan.)

Some muscadines in a bowl; the green grapes are scuppernongs

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Song of the white-throated sparrow

Grazing in winter, Yellowstone National Park: Bison use their heads to clear out snow for the grass.

Wolf-Bison Demonstration at Wolf Park, Indiana.

Bison hunt under the wolf-skin mask, 1832–33

Video: Eating suet

This turtle is sitting on an elevated log that is lying horizontal. It is facing the right of the screen. — Lying on a log, basking in the sun

The arterial system of a sperm whale foetus.

Like other toothed whales, the sperm whale can retract its eyes.

A migrating smooth hammerhead swimming with its dorsal fin exposed

Early illustration of a whitetip reef shark from Systematische Beschreibung der Plagiostomen (1841).

Distribution map of *Monetaria caputserpentis*

Video of two living cowries; Erosaria helvola (seen 1st) & Monetaria caputserpentis (last)

Rice coral *(Montipora capitata)* growing over *Porites sp.*

Shell of *Gibberulus gibberulus* (Index Testarum Conchyliorum (1742) of Niccolò Gualtieri)

A shell of *Talparia talpa*, anterior end towards the bottom

*Tridentarius dentatus* from *Index Testarum Conchyliorum* (1742) by Niccolò Gualtieri.

Cuckoo bumblebees, like this *Bombus barbutellus*, have similar aposematic (warning) coloration to nest-making bumblebees, and may also mimic their host species.

An above-ground nest, hidden in grass and moss, of the common carder bee, *Bombus pascuorum*. The wax canopy or involucrum has been removed to show winged workers and pupae in irregularly placed wax cells.

Bumblebee stored as food by a great grey shrike

Tuliptrees can be very large. This 130-footer in Pennsylvania with a 5-foot trunk dwarfs a group of mature oaks and maples.

Liriodendron at Hingham Center Cemetery, Hingham, Massachusetts

Ledum (*L. groenlandicum*) essential oil in clear glass vial

Grazing in winter, Yellowstone National Park: Bison use their heads to clear out snow for the grass.

Oxalic acid, the toxin found in many wood-sorrels and other edible plants

The arms of the chief of Scottish Clan Hamilton undifferenced, "gules, three cinquefoils ermine".

Broad-leaved dock leaves (*R. obtusifolius*)

Flowers of curled dock (*R. crispus*) with remarkable tubercles

A large, adult cane toad, showing the light colouration present in some specimens of the species — Light-coloured cane toad

Weight vs. length for Channel Catfish, where b = 3.2293 and $L_{1}=45.23$ cm.^[98]^[99]

Brown bear claws are longer and less curved than those of black bears

An Ussuri brown bear of Hokkaido, a relatively small-bodied population, in the snow.

Jalan Jenderal Sudirman, Jakarta's main avenue and business district

File:Merdeka Square Monas News Van.JPG

A Metro TV news van parked in Merdeka Square, Jakarta

The TVRI Tower in Senayan, South Jakarta

File:Jakarta7.JPG

Grand Indonesia Shopping Town in Central Jakarta

File:Monumen nasional jakarta.jpg

Night view of Monas, the Jakarta landmark

File:MSU V2P1b - Gulo gulo skull.png

Skull, as illustrated by N.N. Kondakov

Video of a wolverine in the Helsinki Zoo

A controlled burn progressing as flames engulf a small area of vegetation — A controlled burn in progress

Subspecies *P. c. capitalis* (left) and *P. c. obscurus* (right); illustration by Keulemans, 1877

Bold grey jay, typical of those individuals accustomed to humans

Spring mating calls

*Lithobates sylvaticus* found in southern Quebec

Tuba section in a British style brass band

Turnaround video of Specimen No. 57 and a razorbill, Naturalis Biodiversity Center

A large bird with a black back, white belly, and white eye patch stands on a rock by the ocean, as a similar bird with a white stripe instead of an eyepatch swims. — Summer (standing) and winter (swimming) plumage, by John Gerrard Keulemans

Two summer great auks, one swimming and facing right while another stands upon a rock looking left, are surrounded by steep, rocky cliffs. — Great Auks by John James Audubon, from *The Birds of America* (1827–1838)

Nesting ground with juveniles and eggs, by Keulemans

A sketch of four bones of the great auk, all long. The first two on the left are shorter and hook and fatten at the end, while the third is straight. The fourth has a nub on both ends. — Illustration of two Humeri (1) and two Tibiae (2), bones of the great auk uncovered by archaeologists in an ancient kitchen midden in Caithness

Balsam fir (*Abies balsamea*) essential oil in clear glass vial

File:File:Seated Amida Nyorai (Amitabha), Kamakura period, 12th-13th century, wood with gold leaf and inlaid crystal eyes - Tokyo National Museum - DSC05345.JPG

Amitābha

Tang dynasty Amitābha sculpture, Hidden Stream Temple Cave, Longmen Grottoes, China

An illustration dated 1902, showing a variety of insect pests affecting eastern white pine

Ball-and-stick model of the tetraamminediaquacopper(II) cation, [Cu(NH₃)₄(H₂O)₂]²⁺

Ammoniacal Gas Engine Streetcar in New Orleans drawn by Alfred Waud in 1871.

The X-15 aircraft used ammonia as one component fuel of its rocket engine

Ammonia occurs in the atmospheres of the outer gas planets such as Jupiter (0.026% ammonia) and Saturn (0.012% ammonia).

Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH₃)₂]⁺

File:File:Arius püspök.jpg

Arius

Three *Phragmites australis* seedlings: A.) very young, B.) juvenile, C.) the oldest (*3-4 months*). *Roman numerals denote different shoot generations. Sc = scutellum*.
(From *Om Skudbygning, Overvintring og Foryngelse* by Eugen Warming, 1884)

Sipsi

The duduk or mey mouthpiece is a flattened piece of giant reed (arundo donax) a relative of common reed, itself used in zurna

The catalpa tree in Reading, Berkshire, England

Helios in his chariot, early 4th century BC, Athena's temple, Ilion

Solar Apollo with the radiant halo of Helios in a Roman floor mosaic, El Djem, Tunisia, late 2nd century

"Field" of Nuphar on a small lake, Kenai National Wildlife Refuge, Alaska

*Taeniolabis taoensis* skull, Am. Mus. 16321.

Grave of J. R. R. Tolkien and Edith Tolkien

The original Arizona State Capitol, Phoenix

Arizona State University located in Tempe.

A spring training game between the Cubs and White Sox at HoHoKam Park.

Threat display of a spotted thick-knee in defence of its chicks

Turnaround video of a C. c. carolinensis specimen at Naturalis Biodiversity Center

Turnaround video of a C. c. ludovicianus specimen, Naturalis

Turnaround video of a mounted skeleton, Naturalis

red dome blanketflower (*Gaillardia pinnatifida*)

Gila monster

Plate from the Century Cyclopedia depicts the Gila monster

File:MSU V2P1b - Mustela nivalis subspecies painting.png

Various least weasel subspecies; (from left to right) M. n. pygmaea, M. n. nivalis, M. n. pallida, M. n. vulgaris, M. n. boccamela, M. n. heptneri

Skeleton, as illustrated in Lydekker's *The New Natural History*

Least weasels driven from a mountain hare carcass by a stoat, as illustrated in Barrett-Hamilton's *A History of British Mammals*

Common chuckwalla *Sauromalus ater* at Bristol Zoo, England

Middle Jurassic (Callovian) *Apiocrinites* crinoid pluricolumnals from the Matmor Formation in Hamakhtesh Hagadol, southern Israel

Upper surface of right tibia. (Anterior is at top.)

Bones of the right leg. Anterior surface

Plan of ossification of the tibia. From three centers.

Epiphysial lines of tibia and fibula in a young adult. Anterior aspect.

Another view of the region.

*Velleda*, as imagined in a 19th-century painting by Charles Voillemot.

Sounds of red panda twittering

Red panda gnawing

Red panda at Prospect Park Zoo, New York, US

Drawing and description of red panda in the Zhonghua Da Zidian, 1915

(video) A grey heron foraging on mudflats

Adult in breeding plumage; note sharp margin of breast colour

A *Deinosuchus* jaw fragment, exhibited at the North Carolina Museum of Natural Sciences: Fossils of this large alligatoroid have been discovered in 10 US states and northern Mexico.

This skull reconstruction, exhibited at the American Museum of Natural History for nearly a half-century, is probably the best known of all *Deinosuchus* fossils. The darker-shaded portions are actual fossil bone, while the light portions are plaster.

The constellation Delphinus as it can be seen by the naked eye.

Atlantic puffins on a cliff-top at Skellig Michael, County Kerry, Ireland

Estimated biomass of the Northeast Arctic cod stock for the period 1946–2012, in million tons: Light blue bars represent the immature fraction of the stock, while the darker blue bars represent the spawning biomass.^[115]

All cranes have a raised and much reduced hind toe.

A flock of sarus cranes in a field in Gujarat

The long coiled trachea that produces the trumpeting calls

A plate by Johann Michael Seligmann published between 1749 and 1776 based on a work by George Edwards

An Indo-Pacific sailfish raising its sail

A log sawn in two and turned on a lathe, exposing the pale sapwood and the reddish heartwood

Bird Sound

Herring gull producing waste near Île-de-Bréhat

Feeding behaviours of the European herring gull.

Stealing an egg from a common murre

Perching on spikes designed to discourage perching birds

This narwhal skull has rare double tusks. Usually, the canine tooth only on the left side of the upper jaw becomes a tusk. Rarely, males develop two tusks. This specimen, however, was of a female (Zoologisches Museum, Hamburg; collected in 1684)

Illustration (middle) by Louis Agassiz Fuertes

Naturally regenerated longleaf pines in DeSoto National Forest, Mississippi

False killer whale skull specimen exhibited in Museo di storia naturale e del territorio dell'Università di Pisa

File:Ranunculus glaberrimus .JPG

Sagebrush buttercup (Ranunculus glaberrimus)

Common eiders (Somateria mollissima) in the breeding season on Texel, the Netherlands.

SW Queensland, Australia

Rotuman tautoga performed in 1981 celebrating Rotuma's cession to Great Britain

Atlantic bluefin tuna migration

Herzliya Airport (Israel) runway location and traffic pattern chart (left) was erroneously printed as a result of "black layer" 180° misplacement. The corrected chart is on the right.

Erroneous traffic sign in Israel. The correct sign is depicted on the lower-right corner.

Schematic of the bulk feeding method employed by modern mysticetes. It is plausible that Aetiocetus used a variation of this method using a combination of baleen and teeth.

Lek mating arena, in which each male guards a territory of a few meters in size on average, and in which the dominant males may each attract up to eight females.^[117] In addition, each individual is shown with variations in personal space (bubbles), whereby higher-ranking individuals have larger personal space bubbles.^[118] Common bird leks typically have 25–30 individuals. A strict hierarchy accords the most desirable top-ranking males the most prestigious central territory, with ungraded and lesser aspirants ranged outside. Females come to these arenas to choose mates when the males' hierarchy has become established, and preferentially mate with the dominants in the centre.

Black-necked stilts foraging on Richardson Bay mudflats

Bird Sound

Feeding behaviours of the European herring gull.

Stealing an egg from a common murre

Nautilus half-shell showing the camerae in a logarithmic spiral

Nautilus locomotion
File format: Ogg
File size: 1.29 MB
Duration: 5 seconds

Spotted Hyaena (Crocuta crocuta) (W1CDR0000381 BD12)

Example from the Florida Teaching Zoo

Giggling call of a spotted hyena.

Cow (l) and bull (r) gray seals mating, Donna Nook, Lincolnshire, U.K.

Annonacin is a neurotoxin found in *Annona muricata* seeds.

In 1907, Peachtree Street, the main street of Atlanta, was busy with streetcars and automobiles.

*Peronopora*, a trepostome bryozoan from the Whitewater Formation (Upper Ordovician) of eastern Indiana.

Bryozoan fossils in an Upper Ordovician oil shale (kukersite), northern Estonia.

An Upper Ordovician cobble with the edrioasteroid *Cystaster stellatus* and the thin branching cyclostome bryozoan *Corynotrypa*. Kope Formation, northern Kentucky.

Encrusting cyclostome bryozoans (B), the one on the right showing swollen gonozooids; T = thecideide brachiopod and S = sabellid worm tube; Jurassic of Poland.

Representative row of radula teeth of T. fluviatilis

A modern square rigger viewed from Long Bay

Buff-bellied pipits will wag their tail from side to side as well as up and down

Glacier fleas are a prey item found on snow fields

Video of a calf suckling

Draft Zebus in Mumbai, Maharashtra, India

LC

NT

NE

CR

EN

NT

VU

DD

Short-toed treecreeper, a confusion species in Europe

Introduced redwoods are the preferred nesting trees where present.

Reflection of camera flash from the tapetum lucidum

A tabby housecat uses its brush-like tongue to groom itself, licking its fur to straighten it.

Play fight between kittens, age 14 weeks

Northern gannet calls from Grassholm, Wales.

Northern gannet colony on Bonaventure Island near Percé, Quebec, Canada

Female will not react if a male approaches her nest, but she will defend it fiercely if another female approaches

*Ocypode cordimanus* from New South Wales, Australia

*Ocypode stimpsoni* from Nagasaki, Japan

American golden plover taking flight, showing its dusky back and axillaries

Video of male calling

Ovenbird song recorded in Minnesota

Agathidium varians

Anthrax and antibiotics

Sculpture excavated at the Villa of the Papyri depicting Dionysus, Plato, or possibly Poseidon

Epiphany of Dionysus mosaic, from the Villa of Dionysus (2nd century AD) in Dion, Greece, Archeological Museum of Dion

File:Ranunculus glaberrimus .JPG

Sagebrush buttercup (Ranunculus glaberrimus)

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Southern copperhead, *A. c. contortrix*, at the southern limit of its range, in Liberty Co., Florida, camouflaged in dead leaves

Accipiter gentilis - northern goshawk

A typical adult from the American goshawk subspecies, *A. g. atricapillus*, showing its strong supercilium, black head and blue-gray back.

Juvenile northern goshawk in flight, the most likely age and condition to mistake a goshawk for another species.

Large juvenile Cooper's hawks such as this are at times mistaken for a goshawk.

A goshawk catching a red squirrel.

A juvenile goshawk in Japan with a young bird prey item.

*Marchantia*, an example of a liverwort.

The right-handed helix (cos t, sin t, t) from t = 0 to 4π with arrowheads showing direction of increasing t

Erythravine is tetrahydroisoquinoline alkaloid from *Erythrina mulungu*, studied for possible anxiolytic properties.

*Erythrina ×sykesii* in flower, Auckland, New Zealand

The humiliation of Emperor Valerian by king Shapur I of Persia (260) passed into European cultural memory as an instance of the reversals of *Fortuna*. In Hans Holbein's pen-and-ink drawing (1521), the universal lesson is brought home by its contemporary setting.

Albrecht Dürer's engraving of *Fortuna*, ca 1502

File:MSU V2P2 - Felis lynx skull.png

Skull, as illustrated by N. N. Kondakov.

Song

Carbonaceous chondrite CV3 that fell in Mexico in 1969 (weight 520 g)

Articles

^ "Everglades News | Mallards". American Bird. 3 June 2015. Archived from the original on 7 September 2016. Retrieved 26 June 2017.
^ "Describing a developing hybrid zone between red wolves and coyotes in eastern North Carolina, USA". Evolutionary Applications. 9 (6): 791–804. July 2016. doi:10.1111/eva.12388. PMC 4908465. PMID 27330555. {{cite journal}}: Unknown parameter |authors= ignored (help)
^ Williams, Robert W (2007-12-17). "Mass grave from the remote past" (also avail. as pdf). Norwegian Continental Shelf. 2007 (3). Norwegian Petroleum Directorate. Retrieved 2011-02-08.
^ "News and Highlights: Video Gallery – Oregon Department of Fish and Wildlife". Dfw.state.or.us. 2011-01-26. Retrieved 2011-02-06.
^ "Oregon's Native Turtles". YouTube. Retrieved 2011-02-06.
^ Blurton, T. R. (1992). "Stone statue of Shiva as Lingodbhava". Extract from Hindu art (London, The British Museum Press). British Museum site. Retrieved 2 July 2010.
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Cite error: There are <ref group=pdb> tags on this page, but the references will not show without a {{reflist|group=pdb}} template (see the help page).
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[FOOTNOTEMacClintock19815-63] MacClintock 1981, p. 5.

[FOOTNOTEBurn200410-64] Burn 2004, p. 10.

[FOOTNOTEBurkert1985143-65] Burkert 1985, p. 143.

[FOOTNOTEDeacy2008145–149-66] Deacy 2008, pp. 145–149.

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[69] Mali RS, Babu KN (1998). "Naturally occurring prenylated phthalides: First total synthesis of salfredin B₁₁". Journal of Chemical Research. 6 (6): 292–93. doi:10.1039/a707767j.

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[79] Ptol., Geo., Asia, Table xi.

[Food_and_Agriculture_Organization_of_the_United_Nations-80] "Snoek distribution map". Food and Agriculture Organization of the United Nations. Retrieved May 6, 2011.

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[Smrgsi2012-108] Smargiassi, M. T.; Daghfous, G.; Leroy, B.; Legreneur, P.; Toubeau, G.; Bels, V.; Wattiez, R. (2012). Permyakov, Eugene A (ed.). "Chemical Basis of Prey Recognition in Thamnophiine Snakes: The Unexpected New Roles of Parvalbumins". PLOS ONE. 7 (6): e39560. doi:10.1371/journal.pone.0039560. PMC 3384659. PMID 22761824.

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[111] Ray, 1962, plate V

[112] Alston, 1882, plate 15

[G20-113] Goldman, 1918, p. 20

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[121] Australian Government policy on cane toads

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