To a non-birder the word pigeon generally conjures up images of a multi-colored bird pecking for crumbs in major urban centers: St. Paul's Cathedral in London comes to mind, or the downtown areas of New York. To a birder those pigeons are
Columba livia, aka
Rock Doves (or, to really up-to-date birders following the supplements to the AOU checklist
Rock Pigeons as of 2003). But there are many other birds in the Columbidae family; in English they sometimes are called doves, at other times pigeons.
Two of my favourites are
Mourning Dove and
White-winged Dove (see picture above). Like the
Rock Pigeons, these two are pretty common sights in urban Tucson. In some ways, I think they're pretty similar: as evidenced by my photo, they choose the same perches, in posture they are both fairly upright and they both have tails that extend far below the wing tips. Of course, there is the obvious size difference, very obligingly projected by these two birds as they perched next to one another, as well as the clear white wing patches which provide a nice white edge when the
White-winged Dove has its wings folded. But sometimes, you don't get two birds together nor do you get a profile view.
If you're lucky enough to hear the bird you'll easily be able to distinguish the
Mourning Dove's slower, really melancholic song from the
White-winged's owl-like call. But what works for me every time is looking more closely at the tail: while both birds have long tails, the
Mourning Dove's tail is sharply pointed, a characteristic you can see from any angle. In contrast, the
White-winged Dove's tail is really quite blocky. If you glimpse the tail from underneath you'll of course also see the dark tail band. Either bird is really quite beautiful--as are
Rock Pigeons--and deserves some appreciation. All three of these birds are shot in the States, but I prefer to shoot them with the camera.