Study Finds Steep Decline In Some Antarctic Penguin Colonies

Recent surveys show a significant decline in penguin colonies, with some dropping over 75% in 50 years. Climate change, causing rising ocean temperatures and melting sea ice, is identified as the main cause. This has led to a loss of krill, a primary food source for penguins, particularly affecting chinstrap penguins with a 77% decline since 1971. The data indicates a fundamental change in the ecosystem, impacting the entire food chain.

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