A rock pigeon with leucism. The only time I spotted it.
Common Rock Pigeon. This one was used to humans enough to let me get a nice shot from a phone.
Five birds observed, perched on the roof of the Fu Lam Mum Restaurant.
Two birds observed, flying due east in the pouring rain.
Photo and Observation via Instagram by a_viduetsky
30 birds observed, all of them perched on some telephone lines.
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".