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The Eurasian Collared Dove (Streptopelia decaocto) is of the family Columbidae which is in the genus Streptopelia.
Over the last 150 years or so this dispersive species has greatly expanded its original range which stretched from Turkey eastwards to southern China and the Indian sub-continent. The first record for Europe was from Bulgaria in 1838 and by the end of the 20th century it had colonised the rest of Europe with the exception of Iceland but including the Canary Islands as well as the North African countries from Morocco to Egypt and parts of the Middle East. First record for Britain was in 1953 followed by the first for Ireland in 1958.
To the east of its original range, it has also spread northeast to most of central and northern China as well as Japan.
In 1974, less than 50 escaped from captivity in the Bahama Islands and from there it spread to Florida. It is now found in nearly every state in the USA, as well as in Mexico.
Patrick J, O'Keeffe / Raw Birds