BirdNote: The Knowing Crow

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To find out if they could recognize an individual human face, Professor John Marzluff of the University of Washington wore a mask while trapping, banding, and then releasing seven American Crows on campus.

Later, he walked through the campus wearing the mask.

A big group of birds scolded and dive-bombed him.

He thinks it’s a benefit to the birds’ survival to point out and recognize challenges in their environment.

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