Nick Garbutt / Pair of Red-billed choughs (Pyrrhocorax pyrrhocorax) on a rocky garden wall. High mountain village, Ladakh, northern India.

Guy Edwardes / Red billed chough (Pyrrhocorax pyrrhocorax) in flight, Great Saltee, County Wexford, Republic of Ireland, June.

Mike Read / Red-billed chough (Pyrrhocorax pyrrhocorax) in flight, South Stack Cliffs RSPB Reserve, Holyhead, Anglesey, Wales, UK, April.

Loic Poidevin / Red billed chough (Pyrrhocorax pyrrhocorax) in field, Island of Islay, Scotland, UK, September

David Tipling / Red-billed chough (Pyrrhocorax pyrrhocorax) head portrait, Belchite Spain July

David Tipling / Red-billed chough (Pyrrhocorax pyrrhocorax) Belchite Spain, July

David Kjaer / Chough (Pyrrhocorax pyrrhocorax) Spain, July

Fabrice Cahez / Red-billed chough, (Pyrrhocorax pyrrhocorax) flock in flight, Gorges du Tarn, France, March.

Fabrice Cahez / Red-billed choughs (Pyrrhocorax pyrrhocorax) Gorges du Tarn, France, December

Fabrice Cahez / Red-billed choughs (Pyrrhocorax pyrrhocorax) Gorges du Tarn, France, December

Dong Lei / Flock of Red billed choughs (Pyrrhocorax pyrrhocorax) in flight, Basongcuo National Park, Qinghai Tibetan Plateau, China, November.

Lewis Jefferies / Red-billed chough (Pyrrhocorax pyrrhocorax) in flight over the sea along coastline. Cape Cornwall, UK, Atlantic Ocean.