The bird's appearance has a greenish spot on its neck. It is about 13 inches in length. They will usually be around any source of food and will eat crumbs of bread that are left behind.
I found these in my neighborhood
2 wild-plumaged adults feeding on the Mexican border
The rock dove (Columba livia) or rock pigeon is a member of the bird family Columbidae (doves and pigeons). In common usage, this bird is often simply referred to as the "pigeon".