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Story summary
- British Antarctic Survey scientists report a 63% decline in chinstrap penguin breeding pairs on Zavodovski Island.
- The population dropped from about 1.09 million in 2011 to 402,000 breeding individuals by 2025.
- Researchers link the crash to climate disruption, noting winter temperatures 5 °C above preindustrial levels.
- The decline ended Zavodovski’s status as the world’s largest penguin colony, passing the title to Cape Adare.