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Sierra Magazine: Explore, enjoy and protect the planet.
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On the Brink: Animals Fighting for Survival

Photography by Joel Sartore | Captions by Della Watson

The nene, or Hawaiian goose, earned its name from its distinctive, murmur-like, "nay-nay" call. Hunting, habitat loss, and introduced predators and disease reduced the Nene's population to a mere 30 birds in 1951. Boosted by conservation and breeding programs, Hawaii's state bird now numbers in the thousands. (Photographed at the Great Plains Zoo, Sioux Falls, South Dakota)


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