The art of nodding off appears to have been mastered by breeding chinstrap penguins, who take more than 10,000 naps a day, with each nap lasting an average of four seconds, according to a new study.

Take chinstrap penguins (Pygoscelis antarcticus), the adorable two-foot-plus waddling birds named for the distinctive and dignified black stripes at the bottoms of their heads, which are ...

Chinstrap penguin numbers may have fallen by more than half on Antarctic island Chinstrap penguin numbers may have fallen by more than half on Antarctic island ...

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 ...

Chinstrap Penguin (Pygoscelis antarcticus) feeding its chicks A pair of African Penguins (Spheniscus demersus) touching beaks. Comparison of bird beaks ...

The World Wildlife Fund has publishd its latest Living Planet Index, showing a continuing decline in biodiversity, days ...

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 ...

In 2019, two other male penguins there — Skipper and Ping — also adopted an abandoned egg, but it failed to hatch. They were preceded by Roy and Silo, two male chinstrap penguins at a New York ...

Chinstrap eggs are more rounded than other penguins’ eggs. They measure 7cm long and 5.5cm wide, but at maximum weigh in a bit lighter at around 120g – that’s about twice the size of a chicken egg.

The expedition cruise industry has ballooned in the past five years, and citizen science has grown along with it. This lets ...

To find the best nest site, Adelie penguins undertake the longest penguin migration on Earth. Chinstrap penguins live in the largest penguin colonies on earth. A king penguin's feathers offer a ...

Ecologist Claudia Colesie talks to Bryony Cottam about her top tips for coping when things get tough on an expedition.