Birds Wallpaper High Definition Collection

Birds live and breed in most terrestrial habitats and on all seven continents, reaching their southern extreme in the snow petrel’s breeding colonies up to 440 kilometres (270 mi) inland in Antarctica.

The highest bird diversity occurs in tropical regions. It was earlier thought that this high diversity was the result of higher speciation rates in the tropics, however recent studies found higher speciation rates in the high latitudes that were offset by greater extinction rates than in the tropics.

Several families of birds have adapted to life both on the world’s oceans and in them, with some seabird species coming ashore only to breed and some penguins have been recorded diving up to 300 metres (980 ft).

Many bird species have established breeding populations in areas to which they have been introduced by humans. Some of these introductions have been deliberate; the ring-necked pheasant, for example, has been introduced around the world as a game bird.

Others have been accidental, such as the establishment of wild monk parakeets in several North American cities after their escape from captivity.

Some species, including cattle egret, yellow-headed caracara and galah, have spread naturally far beyond their original ranges as agricultural practices created suitable new habitat.

Birds Album Collection

More info about Birds in Wikipedia.

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