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Declines Seen in Crucial Penguin Food Staple

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Declines Seen in Crucial Penguin Food Staple

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Declines Seen in Crucial Penguin Food Staple

Declines Seen in Crucial Penguin Food Staple

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  • <iframe src="https://www.npr.org/player/embed/4142383/4142384" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

A study in this week's Nature finds the population of krill declining off the Antarctic Peninsula, which could carry large implications. Krill are a key element of the food chain, and penguins depend on them for survival. Scientists think the reason is a loss of sea ice linked to climate change. NPR's Christopher Joyce reports.