Princeton University Press

BirdGenie: ID Birds by Song

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BirdGenie is a breakthrough app that helps anyone with a smartphone or tablet accurately identify birds in the backyard, local park, or on the...

Barrington Atlas of the Greek and Roman World

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Hailed by the New York Times as "the best geography of the ancient world ever achieved" and deemed by classicist Bernard Knox to be "an...

BirdGenie

Paid

Identify birds by their songs.