Wild Wonders of Europe / Zupanc / Alpine accentor (Prunella collaris) perched on rock, Triglav National Park, Slovenia, July 2009

David Pattyn / Alpine accentor (Prunella collaris) in snow, Leukerbad, Vallais, Wallis, Switzerland, January

Guy Edwardes / Alpine accentor (Prunella collaris) Poland, September

Ralph Martin/ BIA / Alpine Accentor (Prunella collaris) on snow, Bavaria, Germany

Dong Lei / Collared accentor (Prunella collaris) Wolong National Nature Reserve, Sichuan Province, China.

David Pattyn / Alpine accentor (Prunella collaris) in snow, Leukerbad, Valais, Switzerland, February

David Pattyn / Alpine accentor (Prunella collaris) in snow, Leukerbad, Valais, Switzerland, February.

Dong Lei / Collared accentor (Prunella collaris) on rock, Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Tibet, China.

Pascal Pittorino / Alpine accentor (Prunella collaris) on rock, with the sea in the background, Corsica, France, February.

Christine Jung / Alpine Accentor (Prunella collaris) in snow, Wallis, Switzerland

Markus Varesvuo / Alpine accentor (Prunella collaris) perched on rock, Spain, March

Markus Varesvuo / Alpine accentor (Prunella collaris) perched on rock, Spain, March