Emperor penguins: thousands of chicks in Antarctica likely died due to record-low sea ice levels

Breeding failures in the Bellingshausen Sea ‘without precedent’ as multiple colonies across large region all failed in a single season

Thousands of emperor penguin chicks across four colonies in Antarctica likely died because of record-low sea ice levels that caused a “catastrophic breeding failure” in late 2022, according to new research.

Analysis of satellite images showed the break-up of usually stable sea ice and the disappearance of the colonies at a time when chicks had not yet grown their waterproof feathers.

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