Wings make a loud clapping sound when flushed. Polytypic. Length 14.5". Larger, with a longer tail than a rock pigeon; blue-gray on the upper parts with contrasting blackish gray flight feathers ...
Polytypic (12 ssp.; nominate in North America.). Length 12.5". A medium-size compact pigeon with long wings and a short tail. Birds most closely resembling their wild ancestors are gray with head ...
Michael L. Casazza, Julie L. Yee, Michael R. Miller, Dennis L. Orthmeyer, Daniel R. Yparraguirre, Robert L. Jarvis, Cory T. Overton https://www.jstor.org/stable ...
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