The British Birds Rarities Committee (BBRC), established in 1959, is the national bird rarities committee for Britain. It assesses claimed sightings of bird species that are rarely seen in Britain, based on descriptions, photographs and video recordings submitted by observers. Its findings are published in an annual report in the journal British Birds. The BBRC covers around 280 species whose annually recorded sightings in Britain fall below a threshold deemed to signify rarity. Since the establishment of the committee, some previously included species have become more common—or at least better recorded; this has resulted in their removal from the committee's list and their reclassification as "scarce migrants". More information...
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