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 ...

The passenger pigeon was a colonial and gregarious bird and needed large ... The head and neck were small; the tail long and wedge-shaped, and the wings, long and pointed, were powered by large breast ...

The process involves taking the genes from the passenger pigeon and inserting them into the genome of the band-tailed pigeon, the closest living relative, and transforming the living band-tailed ...

First, Novak and Shapiro plan to sequence the genome of the passenger pigeon and compare it to that of the bird’s closest living relative, the band-tailed pigeon, to pick out the most important ...