Albinism related to age.--With reference to notes on this subject (antea, vol. xlvii, p . 406; vol. xlix, p . 153), I have come across a similar case, also with a male Blackbird (Turdus merula). The bird was ringed at Burgess Hill, Sussex, on 13th December 1954, as a normal first-winter cock. W h e n it was retrapped on 29th June 1956, the head and neck were mixed white and off-white; there were a...
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