Tim Fitzharris / Lesser Flamingo (Phoenicopterus minor) flock flying, Lake Magadi, Kenya

Bertie Gregory / 2020VISION / Adult male Peregrine falcon (Falco peregrinus) returning to his nest with Feral pigeon (Columba livia) prey, Bristol, England, UK, June.

Bertie Gregory / 2020VISION / Juvenile male Peregrine falcon (Falco peregrinus) in flight chasing his parent who has Feral pigeon (Columba livia) kill in claws, Bristol, England, UK, June.

Bertie Gregory / 2020VISION / Adult female Peregrine falcon (Falco peregrinus) in flight over a road in the Avon Gorge, Bristol, England, UK, May.

Terry Whittaker / 2020VISION / Corn buntings (Emberiza calandra) feeding on bird conservation crop, Wallasea Wild Coast Project, RSPB Greater Thames Futurescapes Project, Essex, England, UK, December.

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies or bubs wrapped in cloth in the nursery at Tolga Bat Hospital, North Queensland, Australia, November 2012

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies or bubs wrapped in cloth and teats in mouths ready for feeding in the nursery at Tolga Bat Hospital, North Queensland, Australia, November 2012

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) casualty of paralytic tick (Ixodes holocyclus) bite being cared for on site of colony by Jenny Mclean, North Queensland, Australia, November 2012

Ben Hall / Chilean flamingos (Phoenicopterus chilensis) in flight over mountain peaks with glacier in the distance, Torres Del Paine National Park, Chile. Winner of Landscape category, Nature's Best / Windland S...

Ben Hall / Andean condor (Vultur gryphus) in flight over mountain peaks, Torres Del Paine National park, Chile.

David Pattyn / Siskins (Carduelis spinus) fighting over food. Oisterwijk, The Netherlands, March.

Danny Green / Snow Geese (Chen caerulescens) in flight, silhouetted against colourful dusk sky. Bosque del Apache, New Mexico, USA, November.