Saw this bird in Crystal Palace London. Is it a rock dove/feral pigeon crossed with a wood pigeon? The one on the right was so much bigger than the rest and the unusual white marks make me think it's a cross. Also the feet look very different. Is this common?
Unicum arbustum haud alit duos erithacos
(One bush does not shelter two Robins)
Zenodotus (3rd Century B.C.)