White-Faced Penguin

A white-faced penguin (Aptenodytes Milgasii) is a large species of penguin, once thought to be a same species as the emperor penguin until August 29, 2013. It is a piscivore and mainly feeds on fish, krill, and even shrimp. These penguins are the deepest divers of any known bird (including other penguins), with its average diving being about 1,000 feet (304.8 meters) and the maximum being 3,500 feet (1066.8 meters). They are distinguished from other penguins of the genus "Aptenodytes" by lacking orange or red markings and having white-colored faces, hence their species' names. The hatchlings, however, lack most feather colors as an adult and instead have brown feathers with some dark grey markings on their backs and heads. They naturally inhabit tundra, rocky landscapes, beaches, and even forests of New Zealand, Antarctica, Australia, South Africa, and South America. Unlike most penguins and like a few, white-faced penguins tolerate really well with human activities and can even adapt to a life in cities and suburbs, including ones on beaches.

In popular culture
In the Happy Feet franchise, Mumble is an fictional emperor penguin and has a coloration like a white-faced penguin, because in pre-2013, white-faced penguins were once thought to be a same species which hadn't lost downy feathers. However, it wasn't until scientists who studied these penguins noticed that they don't live with emperor penguins and the fact the scientists found out that the DNA of both species are different from one another, proving the species validity.