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

Staffan Widstrand / Arctic redpoll or Hoary redpoll (Acanthis hornemanni) Varanger National park, Arctic Norway

Staffan Widstrand / Arctic redpoll or Hoary redpoll (Acanthis hornemanni) 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.

Jussi Murtosaari / Arctic redpoll (Carduelis hornemanni) Lapland, Finland, July.

Matthew Studebaker / Hoary Redpoll (Carduelis hornemanni), Ontario, Canada

Matthew Studebaker / Hoary Redpoll (Carduelis hornemanni), Alaska

Staffan Widstrand / Hoary redpoll (Acanthis hornemanni) perched on dead tree trunk, Varanger Peninsula, Finnmark, Norway. June.