Albino birds are birds missing some or all of their normal pigmentation.
Many still have normal coloured eyes, bills and legs, although some are completely white.
More than 160 species of British birds have shown signs of albinism, according to the RSPB.
Some birds are more prone than others:
- Thrushes (such as blackbirds) are the most common, making up 29% of the recorded cases.
- Crows (including rooks and jackdaws) account for 11%.
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It will be very mild, with early cloud lifting and breaking to allow some warm sunny spells by the afternoon.