Mockingbirds -- No Bird Brains -- Can Recognize A Face In A Crowd

Biologists are reporting that mockingbirds recognize and remember people whom the birds perceive as threatening their nests. If the white-and-grey songbirds common in cities and towns throughout the Southeast spot their unwelcome guests, they screech, dive bomb and even sometimes graze the visitors' heads -- while ignoring other passers-by or nearby strangers.

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