PETER MENZEL / SCIENCE PHOTO LIBRARY PETER MENZEL / SCIENCE PHOTO LIBRARY
Gentoo penguins (Pygoscelis papua) walking down to the sea on a feeding trip. This penguin lays two eggs and the parents alternate feeding trips with incubation and care for the chicks once hatched. They swim to catch food for themselves and their chicks several times a day. Photographed at Port Lockroy, British Antarctic Territory, on the Antarctic Peninsula.
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