Wikipedia:Main Page history/2021 March 16
From today's featured articleZino's petrel (Pterodroma madeira) is a species of small seabird, endemic to Madeira. This gadfly petrel is grey above with a dark "W" across the wings. The wings are mainly blackish below, and the belly is white. It is very similar in appearance to Fea's petrel, both being formerly considered to be subspecies of the soft-plumaged petrel, but Zino's was raised to a species on criteria including morphology and mitochondrial DNA. Its breeding areas are a few ledges high in the mountains of Madeira, where it nests in burrows which are visited only at night. The single white egg is incubated by both adults, one sitting while the other feeds on fish and squid at sea. This species is subject to predation by introduced cats and rats, and in the past by humans. Predator control and the removal of grazing animals has enabled the population to recover although it remains listed as endangered on the IUCN Red List. There was a major setback in 2010 when fires killed three adults and 65 percent of the chicks. (Full article...)
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On this dayMarch 16: Remembrance Day of the Latvian Legionnaires
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Saint Petersburg, the second-largest city in Russia, is situated at the head of the Gulf of Finland on the Baltic Sea. This photograph shows the eastern end of Vasilyevsky Island, known as the spit, surrounded by the river Neva. The Old Saint Petersburg Stock Exchange and Rostral Columns, built in the Greek Revival style in the first decade of the nineteenth century, is visible in the centre. Photograph credit: Alexander Savin
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