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Old 20-12-17, 05:55 PM
Blackkite Blackkite is offline
Join Date: Apr 2012
Posts: 124

It's a Great tit with partial leucism. Pigment loss in some of its plumage. This occurs in a lot of species and seems to affect the black feathers to a disproportionate degree - crows and blackbirds therefore are especially prone.
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