An unprecedented loss of Antarctic sea ice prevented four colonies of emperor penguins from seeing any chicks survive in 2022, scientists report in a new study.
A new study concludes that Antarctica is already being and will continue to be affected by more frequent and severe extreme weather events.The chicks were casualties of an unprecedented retreat of Antarctic sea ice. On Feb. 21, NASA recorded 691,000 square miles of summertime sea ice, an area 50,000 square miles smaller than the previous record set a year before.
“It’s almost certain that this year is going to be worse than even 2022,” Fretwell said. “It’s a rather depressing story for emperor penguins.”The continent is home to an estimated 600,000 individuals. The largest of Antarctica’s penguin species, emperors are distinguished in adulthood by their sleek black dorsal feathers, gold-streaked beaks and a resting posture that gives the impression of a bird looking regally skyward.
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