dove

Pigeons and doves constitute the animal family Columbidae and the order Columbiformes, which includes about 42 genera and 310 species. They are stout-bodied birds with short necks, and short slender bills that in some species feature fleshy ceres. They primarily feed on seeds, fruits, and plants. Pigeons and doves are likely the most common birds in the world; the family occurs worldwide, but the greatest variety is in the Indomalaya and Australasia ecozones.
The distinction between "doves" and "pigeons" in English is not consistent, and does not exist in most other languages. In everyday speech, "dove" frequently indicates a pigeon that is white or nearly white; some people use the terms "dove" and "pigeon" interchangeably. In contrast, in scientific and ornithological practice, "dove" tends to be used for smaller species and "pigeon" for larger ones, but this is in no way consistently applied. Historically, the common names for these birds involve a great deal of variation between the terms. The species most commonly referred to as "pigeon" is the species known by scientists as the rock dove, one subspecies of which, the domestic pigeon, is common in many cities as the feral pigeon.
Pigeon is a French word that derives from the Latin pipio, for a "peeping" chick, while dove is a Germanic word that refers to the bird's diving flight. The English dialectal word "culver" appears to derive from Latin columba.Doves and pigeons build relatively flimsy nests, often using sticks and other debris, which may be placed on trees, ledges, or the ground, depending on species. They lay one or two eggs at a time, and both parents care for the young, which leave the nest after 7–28 days. Unlike most birds, both sexes of doves and pigeons produce "crop milk" to feed to their young, secreted by a sloughing of fluid-filled cells from the lining of the crop. Young doves and pigeons are called "squabs".

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