June ID tips: Juvenile Rook and Carrion Crow - BirdGuides
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These similar-looking members of the crow family can be difficult to distinguish, especially the recently fledged juveniles that we'll be seeing in June.
Juvenile carrion crow hi-res stock photography and images - Alamy
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Juvenile rook hi-res stock photography and images - Alamy
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Reptiles and Birds, by Louis Figuier—a Project Gutenberg eBook
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