Some colonies of the chinstrap penguin — the birds get their name ... interest stories Penguins Have Knees and 9 Other Important Facts You Didn’t Know About the Animals According to the ...

Have you tried napping with your eyes open? Chinstrap penguins have mastered the art! These sleep-deprived dads (and moms!) take thousands of 4-second naps a day to keep their chicks safe.

For the first time, scientists have measured the sleeping behaviour of adult chinstrap penguins in the wild by attaching sensors that measure brain waves. Guarding their chicks from predators and ...

But a new study published in November found that chinstrap penguins take short naps thousands of times every day. They accumulate their daily sleep requirement of more than 11 hours in short ...

Analysis of census data from Signy Island in the South Orkney Islands reveals that, between 1978 and 2016, the number of chinstrap penguin pairs declined by nearly 70%. Pairs of Adélie penguins ...

Researchers, examining 30 years of data, said chinstrap and Adelie penguin numbers had been falling since 1986. Warming waters, less sea-ice cover and more whale and seal numbers was cited as ...

Feathers from three penguin species—Adelie, gentoo and chinstrap—were collected during the 2010-11 breeding season by William R. Fraser, lead investigator with the Polar Oceans Research Group ...

Studies have shown that penguins such as Adélie (white-eyed) and chinstrap differ in the levels of mercury in their bodies. Analyses indicate that chinstrap penguins have significantly higher ...