The wild Rock Dove or Rock Pigeon is known for nesting on sea-cliffs, caves, rock crevices and cliff ledges, and this habit probably gives the bird its name.
It was originally found in Europe, North Africa and Western Asia, but numerous feral populations are now living in cities throughout the world.
The wild Rock Dove shows the usual pale blue-grey plumage with two black wingbars, whereas domestic and feral birds show various colours and plumage pattern.
The feral populations tend to nest in buildings, bridges and parks in cities, even with high human densities.