Erect-crested Penguins (Eudyptes sclateri), are crested penguins with vertical yellow feathers on the head that give it a characteristic appearance that helps to recognize them.
There are 7 of the 17 species of penguins that regularly breed in South America.
It is believed that evolution due to the lack of land predators made penguins change their wings for flippers.
Baby penguins born completely covered with gray plumage.
Penguins are birds. Penguins have adpated to live in water.