Outline of birds
Appearance
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The following outline is provided as an overview of and topical guide to birds:
Birds (class Aves) – winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals. There are around 10,000 living species, making them the most varied of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic, to the Antarctic. Extant birds range in size from the 5 cm (2 in) bee hummingbird to the 2.75 m (9 ft) ostrich.
What type of thing is a bird?
[edit]A bird can be described as all of the following:
- Life form – entity or being that is living or alive.
- Animal – multicellular, eukaryotic organisms of the kingdom Animalia (also called Metazoa). Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their lives. Most animals are motile, meaning they can move spontaneously and independently.
Biological classification
[edit]Nature of birds
[edit]Bird anatomy
[edit]- List of terms used in bird topography
- Beak
- Caruncle
- Comb
- Feathers
- Gape
- Gizzard
- Preen gland
- Syrinx
- Vision
- Uropygial gland
- Wattle
Bird behavior
[edit]Bird behavior
- Bird colony
- Feeding
- Flight
- Migration
- Abnormal behaviour of birds in captivity
- Aggression
- Anting (bird activity)
- Begging behavior in birds
- Distraction display
- Dust bathing
- Feather-plucking
- Fecal sac
- Intelligence
- Mobbing
- Moult
- Preening
- Reproduction
- Roosting
- Tracks
- Vocalization
Types of birds
[edit]Orders
[edit]Families
[edit]Subfamilies
[edit]Genera
[edit]History of birds
[edit]Study of birds
[edit]- Avian ecology field methods
- Bird collections
- Bird feeding
- Bird ichnology
- Bird observatory
- Bird ringing
- Bird watching
- Oology
Aviculture
[edit]Bird diseases and parasites
[edit]Threats and conservation
[edit]Persons influential in the field of birds
[edit]Artists
[edit]Ornithologists
[edit]- John Gould
- James Clements
- James Audubon
- Chris Mead
- Killian Mullarney
- Roger Tory Peterson
- Pamela C. Rasmussen
- Alexander Skutch
- David Snow
- Alexander Wilson