Pygoscelis
Pygoscelis adeliae
Pygoscelis antarctica
Pygoscelis papua
Pygoscelis tyreei
Pygoscelis calderensis
Pygoscelis grandis
The genus Pygoscelis ("rump-legged") contains three living species of penguins collectively known as "The Brush-Tailed Penguins". Their appearance - black above, white below - is the stereotypical image of penguins, and so what most people think of when they think of penguins.
Read more about Pygoscelis: Taxonomy, Species Photographs