There are two races of Arctic Redpoll Carduelis hornemanni: C. h. hornemanni from northern Greenland and Ellesmere Island to Baffin Island, and C. h. exilipes from the northern extremes of Fenno-Scandia, the USSR, Alaska and mainland Canada. The former is the larger and whiter race and, in the hand, its longer wings (80-91 mm compared with 71-79 mm for the latter) are diagnostic (Knox 1988). There

...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now