Photographed by ERIC HOSKING. (Plates 9-14). We regard the title of this series as covering well-marked subspecies as well as species in the strict sense, and on this interpretation the Scottish Crossbill (Loxia curvirostra scotica) is certainly entitled to inclusion, though even considered as a species the Crossbill might well be given a place, for the common form (L. c. curvirostra) itself has ...

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