Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes) fluffing, Gelderland, Netherlands

Markus Varesvuo / Nutcracker (Nucifraga caryocatactes) in snow, Muhos, Finland, January

Rolf Nussbaumer / Nutcracker landing on post {Nucifraga caryocatactes} Switzerland

Michael Quinton / Clark's Nutcracker (Nucifraga columbiana) feeding on Whitebark Pine (Pinus albicaulis) nuts during snowfall in winter, Idaho

Oscar Dewhurst / Clark's nutcracker (Nucifraga columbiana) feeding on Pine (Pinus sp) seeds. Grand Teton National Park, Wyoming, USA. September.

Heather Angel / Spotted nutcracker (Nucifraga caryocatactes) feeding on Chinese red pine (Pinus tabuliformis) seeds. Tangjiahe National Nature Reserve, Sichuan Province, China.

Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes), Gelderland, Netherlands

Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes), Gelderland, Netherlands

Walter Soestbergen/ BIA / Spotted Nutcracker (Nucifraga caryocatactes) carrying nut, Gelderland, Netherlands

Staffan Widstrand / Wild Wonders of China / Eurasian spotted nutcracker bird (Nucifraga caryocatactes) perched on a branch, Beiyue Hengshan Mountain, Datong, Hunyuan County, Shanxi Province, China

Douglas Herr/ BIA / Clark's Nutcracker (Nucifraga columbiana), Oregon

Markus Varesvuo / Spotted nutcracker (Nucifraga caryocatactes) Joensuu, Finland, September.