WASHINGTON — It's a challenge for all new parents: Getting enough sleep while keeping a close eye on their newborns. For some penguins, it means thousands of mini-catnaps a day, researchers discovered ...

Chinstrap penguins are striking Antarctic seabirds famous for their thin black ‘chinstrap’ marking and energetic lifestyle. Their diet is dominated by Antarctic krill, which fuels their long foraging ...

Chinstrap penguin with its chick. Chinstrap penguins are more oceanic and they are krill specialists that only hunt krill in open waters. This species is declining fast throughout their range with ...

A decade-long study finds Antarctic penguins are shifting their breeding seasons at record rates as climate conditions change ...

Richard Gold saw this handsome Chinstrap Penguin posed for a late afternoon portrait on Feb. 8 at the Yankee Harbour on ...