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The genus Pygoscelis ("rump-legged") contains three living species of penguins collectively known as "The Brush-Tailed Penguins".[citation needed] Their appearance - black above, white below - is the stereotypical image of penguins, and so what most people think of when they think of penguins.

Taxonomy

Mitochondrial and nuclear DNA evidence suggests the genus split from other penguins around 38 million years ago, about 2 million years after the ancestors of the genus Aptenodytes. In turn, the Adelie Penguins split off from the other members of the genus around 19 million years ago.[1]

The three extant species are:

Extinct species:

The latter two are tentatively assigned to this genus.

Species photographs

Photographs of adult penguins of the extant (living) species:

References

  1. ^ Baker AJ, Pereira SL, Haddrath OP, Edge KA (2006). "Multiple gene evidence for expansion of extant penguins out of Antarctica due to global cooling". Proc Biol Sci. 273 (1582): 11–17. PMC 1560011Freely accessible. PMID 16519228. doi:10.1098/rspb.2005.3260. 



Eurasian Spoonbill This article is part of Project Bird Genera, a All Birds project that aims to write comprehensive articles on each genus, including made-up genera.
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