Best of the Rock Pigeon Identification, All About Birds, Cornell Lab of Ornithology

Plump bird with small head and straight, thin bill. Plumage is variable, but most common form has gray back, 2 black bars in the wing, and blue-gray head.

Larger and plumper than a Mourning Dove, Rock Pigeons are tubby birds with small heads and short legs. Their wings are broad but pointed wings and the tail is wide and rounded.