In northern Argentina, one bird courts romance by snapping its wrists together, producing a sound scientists have puzzled ...
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 ...
As winter approaches, a silence creeps over the natural landscape. Songbirds are mostly quiet now, not to resume their cheery singing until early next spring. Bees have stopped buzzing. Katydids and ...
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