Wild black-tailed prairie dogs use alarm calls to warn one another of predators, and some grassland birds are listening in. Photo credit: Andrew Dreelin, Smithsonian’s National Zoo and Conservation ...
A long-billed curlew flies over the Great Plains. New research suggests the birds react to danger more quickly when they hear prairie dog alarm calls. Andy Boyce, Smithsonian’s National Zoo and ...
Birds make sounds to communicate, whether to find a potential mate, ward off predators, or just sing for pleasure. But the conditions that contribute to the immense diversity of the sounds they make ...
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