WASHINGTON – The chirp of the chickadee is charming to humans. To other chickadees, it can convey a lot of vital information. When the little black-capped songbird whistles “chick-a-dee-dee,” it can warn flock mates to watch out: A predator is near. Christopher… Read More
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Journal: Chickadee’s chirp warns of danger
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Journal: Chickadee’s chirp warns of danger