Ben Cranke / Arctic Redpoll (Carduelis hornemanni) perched on frosty plant, Finland. February.

Staffan Widstrand / Common Redpoll (Acanthis flammea) Varanger National Park, Arctic Norway

Hans Glader/ BIA / Hoary Redpoll (Carduelis hornemanni) trio, Netherlands

Hans Glader/ BIA / Hoary Redpoll (Carduelis hornemanni), Netherlands

Jussi Murtosaari / Arctic redpoll (Carduelis hornemanni), adult male perched, Finland, January.

Jussi Murtosaari / Arctic redpoll (Carduelis hornemanni) with Common redpolls (Carduelis flammea) perched in frosty tree, Finland, January.

Jussi Murtosaari / Arctic Redpoll (Carduelis hornemanni), at winter, Lapland, Finland, April.

Markus Varesvuo / Arctic Redpoll (Carduelis hornemanni) perched on branches, Inari, Finland, April

Markus Varesvuo / Arctic redpoll (Carduelis hornemanni) male perched, Inari, Finland, March

Markus Varesvuo / Arctic Redpoll (Carduelis hornemanni), Inari, Finland, April

Markus Varesvuo / Arctic redpoll (Carduelis hornemanni) Inari, Finland April

Markus Varesvuo / Arctic Redpoll (Carduelis hornemanni), Male standing on snow, Inari Finland April