成鳥オス © Bob Martinka eBird S57966885 Macaulay Library ML 167122841
メス © Anya Auerbach
幼鳥 © Anya Auerbach
オスの未成鳥 © Peter Stronach
成鳥オス © Christian Rixen

スコットランドイスカ Loxia scotica

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識別

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Crossed bill tips give crossbills their name. Only found in pine forests of Scotland, where uncommon and local. As a rule, not safely identified in the field because it looks intermediate between smaller-billed Common (Red) Crossbill and bigger-billed Parrot Crossbill (both of which can occur in same areas). With experience (and computer analysis!), may be identified by voice. Like other crossbills, found in pairs or flocks feeding quietly on pine cones or calling excitedly before taking off in wide-ranging, bounding flight. Male plumage reddish overall; female grayish green overall, with brighter rump.

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