Ingo Arndt / White-winged Snowfinch (Montifringilla nivalis) in winter, Valais, Switzerland

Bruno D'Amicis / White-winged snowfinch (Montifringilla nivalis) Central Apennines, Abruzzo, Italy. March 2009

Bruno D'Amicis / White-winged snowfinch (Montifringilla nivalis) perched on snow. Central Apennines, Abruzzo, Italy, March.

Carlos Patricio/ BIA / White-winged Snowfinch (Montifringilla nivalis), Faro, Portugal

David Pattyn / Snowfinch (Montifringilla nivalis) two in deep snow. Stelvio National Park, Sudtirol, Italy, March. Highly commended in the Portfolio category of the Terre Sauvage Nature Images Awards 2017.

David Pattyn / Snowfinch (Montifringilla nivalis) perched on a rock Leukerbad, Valais, Switzerland, February.

David Pattyn / Snowfinch (Montifringilla nivalis) in deep snow. Leukerbad, Valais, Switzerland, February.

David Pattyn / Snowfinch (Montifringilla nivalis) in deep snow. Leukerbad, Valais, Switzerland, February.

David Pattyn / Snowfinch (Montifringilla nivalis) in deep snow. Stelvio National Park, Solda, Sulden am Ortler, Sudtirol, Italy, January.

David Pattyn / Snowfinch (Montifringilla nivalis) in deep snow. Stelvio National Park, Solda, Sulden am Ortler, Sudtirol, Italy, January.

David Pattyn / Snowfinch (Montifringilla nivalis) foraging in deep snow. Stelvio National Park, Solda, Sulden am Ortler, Sudtirol, Italy, January.

Patrick Donini / White-winged Snowfinch (Montifringilla nivalis), Wallis, Switzerland

Philippe Clement / White-winged Snowfinch (Montifringilla nivalis) juvenile perching on rock. Dolomites, Italy, July.

Hanne & Jens Eriksen / White winged snowfinch {Montifringilla nivalis}, adult and chick, Kyrgyzstan

Hanne & Jens Eriksen / White winged snowfinch {Montifringilla nivalis} Aladag Mts, Turkey

Ingo Arndt / White-winged Snowfinch (Montifringilla nivalis) in winter, Valais, Switzerland

Christine Jung/ BIA / White-winged Snowfinch (Montifringilla nivalis), Valais, Switzerland

Dr. Axel Gebauer / White-winged snowfinch (Montifringilla nivalis) juvenile on rock, with another in the background. Qinghai Nanshan, 4.300 metres above sea level, Koko Nor lake, Tso Ngonbo, Qinghai Hu, Qinghai Province...

Dr. Axel Gebauer / White-winged snowfinch (Montifringilla nivalis) juvenile on mossy rock. Qinghai Nanshan, 4.300 metres above sea level, Koko Nor lake, Tso Ngonbo, Qinghai Hu, Qinghai Province, Tibet, China

Jose Luis GOMEZ de FRANCISCO / White winged snowfinch (Montifringilla nivalis) with insect prey, Picos de Europa, Spain, July

Jose Luis GOMEZ de FRANCISCO / White winged snowfinch (Montifringilla nivalis) Picos de Europa, Spain, July

Mateusz Piesiak / White-winged snowfinch (Montifringilla nivalis) walking on snow, Alps, Switzerland. January.

Mateusz Piesiak / White-winged snowfinch (Montifringilla nivalis) taking flight from snow-covered rocks, Alps, Switzerland. January.

Mateusz Piesiak / White-winged snowfinch (Montifringilla nivalis) in flight, Alps, Switzerland. January.

Andres M. Dominguez / White-winged snowfinch (Montifringilla nivalis) perched in snow on mountainside, Alps, Dalatal, Switzerland. February.

Mateusz Piesiak / White-winged snowfinch (Montifringilla nivalis) standing in snowstorm, Gemmipass, Alps, Switzerland. January.

Andres M. Dominguez / White-winged snowfinch (Montifringilla nivalis), Picos de Europa, Northern Spain. August.

Andres M. Dominguez / White-winged snowfinch (Montifringilla nivalis), Picos de Europa, Northern Spain. August.

Andres M. Dominguez / White-winged snowfinch (Montifringilla nivalis), Picos de Europa, Northern Spain. August.