Jed Weingarten / Wild Wonders of China / Large-eared pika (Ochotona macrotis) Serxu County, Garze Prefecture, Sichuan Province, China.

David Tipling / Eurasian magpies (Pica pica) five gathering prior to going to roost Hortobagy National Park, Hungary January

Eric Dragesco / Wild Snow leopard (Uncia uncia) feeding on a kill hidden behind a rock, with a Eurasian magpie (Pica pica) in the foreground, Altai Mountains, Mongolia, February.

Jussi Murtosaari / Common magpies (Pica pica) perched on frost covered branches, Jvaskyla, Finland, January.

Dong Lei / Black lipped pika (Ochotona curzoniae ) outside of nest hole, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China. August 2010.

Markus Varesvuo / Magpie (Pica pica) perched in tree 'doing the splits', Spain, December

Markus Varesvuo / European Magpie (Pica pica) in flight carrying fish prey in beak, Kuusamo, Finland, April

Markus Varesvuo / Magpie (Pica pica) and crow (Corvus sp) in snow. Utajrvi, Finland, February

Bence Mate / Hooded crow (Corvus coronix) and Eurasian Magpie (Pica pica) waiting to scavenging White tailed eagle's (Haliaeetus albicilla) food, Pusztazer, Hungary.

Markus Varesvuo / Magpie (Pica pica) in flight, Sweden October

Andrew Parkinson / Magpie (Pica pica) hopping along over snow covered ground. Derbyshire, UK, November (non-ex)

Jeff Wilson / Female Snow leopard (Panthera uncia) watching a Magpie (Pica pica) outside her den in the Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Ea...