Global Warming Threatens Penguins

Gentoo Penguin

Much like the Chinstrap, the Gentoo birds guard their eggs in shifts and prefer slightly warmer temperatures. In the last few
Paul A. Souders / Corbis

Gentoo Penguin
Much like the Chinstrap, the Gentoo birds guard their eggs in shifts and prefer slightly warmer temperatures. In the last few decades, their numbers have been on the decline.

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