Abstract
A schizochroismic Corvus macrorhynchos was found in 1974 (among group of young birds), spent territorial life during 1977 and 1978, paired with a normal bird, but breeding was not successful and the bird finally disappeared. It suddenly occurred again solitary in 1981 and 1986 (Jan. 4), and was chased by other crows. This may suggest a case of individual life history of this species, but may also be a special case owing to its abnormal plumage colour.
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More From: Journal of the Yamashina Institute for Ornithology
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