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Why Do Penguins Wear Tuxedos?

10,000 Birds

Penguins are flightless, but some species locomote over long distances on antarctic ice to travel between breeding grounds and the sea. And, they wear tuxedos, which seem to provide camouflage while they are swimming, where leopard seals, sharks, and other creatures would like to make a meal of them. Salas-Gismondi, R., Altamirano, A.,

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A Question of Migration

10,000 Birds

People were doing things like that with birds, sharks, and humans. Loons hardly ever fly when they are on their breeding grounds or their winter-water, but the migration is for many loons a non-trivial distance. Annals of the New York Academy of Sciences, 1046 (1), 282-293 DOI: 10.1196/annals.1343.026 Specifically, Itcher Tern.

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