Pigeon

PPP1976娛樂2018-10-28

價格：免費

更新日期：2018-10-28

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Feral pigeons also called city doves, city pigeons, or street pigeons' are pigeons that are derived from the domestic pigeons that have returned to the wild. The domestic pigeon was originally bred from the wild rock dove, which naturally inhabits sea-cliffs and mountains. Rock, domestic, and feral pigeons are all the same species and will readily interbreed. Feral pigeons find the ledges of buildings to be a substitute for sea cliffs, have become adapted to urban life, and are abundant in towns and cities throughout much of the world. Due to their abilities to create large amounts of excrement and to carry disease, combined with crop and property damage, pigeons are largely considered a nuisance and an invasive species, with steps being taken in many municipalities to lower their numbers or completely eradicate them.

Pigeons breed when the food supply is abundant enough to support embryonic egg development, which in cities, can be any time of the year. Laying of eggs can take place up to six times per year.

The domestic pigeon is a pigeon subspecies that was derived from the rock dove (also called the rock pigeon). The rock pigeon is the world's oldest domesticated bird. Mesopotamian cuneiform tablets mention the domestication of pigeons more than 5,000 years ago, as do Egyptian hieroglyphics. Research suggests that domestication of pigeons occurred as early as 10,000 years ago.