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This page lists the bird species that have established colonies in the British Isles. Some non-native birds have established themselves and become naturalised after naturally migrating to the country and forming colonies, such as the collared dove. The list below comprises all those bird species which have occurred in a wild state in Great Britain.
Bird species admitted to the British List are those in BOU categories A, B or C: A: species that have been recorded in an apparently natural state at least once since 1 January 1950. B: species that were recorded in an apparently natural state at least once between 1 January 1800 and 31 December 1949, but have not been recorded subsequently.
A non-native grey squirrel chases a native red squirrel in Betws Garmon, Wales.. There are regulations that aim to prevent and minimise the impact of the introduction and spread of Invasive species that are not native to England and Wales.
This is a list of the bird species recorded in England.The avifauna of England include a total of 625 species, of which 14 have been introduced by humans.. This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of British Ornithologists' Union (BOU).
Lists of birds of British Overseas Territories (15 P) Pages in category "Lists of birds of the United Kingdom" ... List of non-native birds in Great Britain
The grey squirrel is an introduced species in Great Britain, where it threatens the country's native red squirrel population. Islands, such as the British Isles, can be adversely affected by the introduction of non-native species. Often an island will have several distinct species not present on the nearest mainland, and vice versa.
The Madagascar heron, also known as Humblot’s heron, is a species of heron endemic to the north and west coasts of Madagascar. It is also natively present in the Comoro Islands and Mayotte. Due ...
Alternatively, species can also be native when they have flown or swum to Britain, as is the case with many bird species which arrived after the submersion of the land bridge, a recent example of which is the collared dove which arrived in the 1950s. This also applies for plants which spread seed in the wind.