A series of sharp cracks splits the nighttime air in a forest in the Andean foothills. But this isn’t the sound of boots snapping twigs underfoot. It’s a bird. Nightjars are largely nocturnal, ...
Some birds sing to attract a mate. Others dance or display colorful feathers. But in the moonlit forests and shrublands of northern Argentina, one bird courts romance by snapping its wrists together, ...
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