King penguins live on the more temperate islands north of Antarctica. Although their habitat is warmer than that of emperor penguins, king penguins have four layers of feathers and huddle together for warmth.
Photograph by María Stenzel
Wings spread wide, an Antarctic emperor penguin baby awaits its next meal.
Photograph by Noaa
Named for the thin black strip beneath its 'chin' the chinstrap penguin is indigenous to Antarctica.
Photograph by Ralph Lee Hopkins
King penguins' flippers are distinctively large, helping them dive deep in the icy ocean. On land, they waddle and toboggan across the ice—sliding on their bellies, and propelling themselves with their flippers.
Photograph by Steve Raymer
Wings spread, this Adélie penguin waddles through an Antarctic colony. Its black tail gives it a tuxedo-like appearance.
Photograph by George F Mobley
A chinstrap penguin gazes out from the rocky coast of King George Island in Antarctica.
Photograph by Gordon Wiltsie
Rockhopper penguins wear wispy, yellow-feathered crests on their heads. They make their homes on the rocky shores of the islands off the southern tip of South America.
Photograph by Steve Raymer
Contrary to the popular image of penguins as ice-dwellers, jackass penguins live in the temperate climate of southwestern Africa. Their name comes from their loud, braying cry, similar to a donkey's.
Photograph by Chris Johns
Emperor penguins are the largest penguins, standing about 4 feet (1.2 meters) tall.
Photograph by Giuseppe Zibordi, Michael Van Woert, NOAA NESDIS, ORA
Adélie penguin parents take turns sitting on their nest to keep the eggs warm. Constant care in their extremely cold habitat is crucial to chick survival.
Photograph by Peter Essick
