A medium-size compact pigeon with long wings and a short tail. Birds most closely resembling their wild ancestors are gray with head and neck darker than back, and a prominent white rump.

The early evolution of birds has long ... wings but also a long, reptilian tail, making it resemble non-avian dinosaurs. This was strikingly different from the short-tailed structure seen in ...

The “chicken hawk” of colonial America, this medium-sized accipiter is a common sight at home bird feeders ... The long tail is rounded at the tip, also the relatively short wings and flat ...