Nick Upton / Captive reared juvenile White stork (Ciconia ciconia) with a GPS tracker on its back in flight over the Knepp Estate soon after release, Sussex, UK, August 2019.

Ross Hoddinott / Close-up of backlit Porcelain fungus (Oudemansiella mucida) showing gills, Golith Falls, Bodin, Cornwall, UK. September.

Christophe Courteau / White backed vulture (Gyps africanus) feeding, Linyanti Game Reserve, Botswana.

Inaki Relanzon / Arabian Oryx (Oryx leucoryx) at sunset. Previously extinct in the wild, their conservation status is now stable thanks to conservation efforts.This male is part of a reintroduction program in Dubai, U...

David Tipling / Wandering albatross (Diomedea exulans) a pair displaying at dusk, Albatross Island, South Georgia January

Neil Aldridge / White rhinoceros (Ceratotherium simum) female 'Thandi' silhouetted against the sunset, Kariega Game Reserve. South Africa. Thandi's horns were taken in a brutal attack by poachers.

Neil Aldridge / Cheetah (Acinonyx jubatus) staring back over its shoulder, black and white. Save Valley Conservancy, Zimbabwe, August.

Marie Read / Eared grebes (Podiceps nigricollis), pair, one adult carrying food (damselfly) for two chicks riding on the other adult's back, Bowdoin National Wildlife Refuge, Montana, USA

Alex Hyde / Leaf-cutter ants (Atta cephalotes) carrying pieces of leaf that they have harvested back to their underground fungus garden in their nest, Osa Peninsula, Costa Rica. Photographed in mobile field studi...

Alex Hyde / Leaf-cutter ants (Atta cephalotes) carrying pieces of leaf that they have harvested back to their underground fungus garden in their nest, Osa Peninsula, Costa Rica. Photographed in mobile field studi...

Bence Mate / Cormorant (Phalacrocorax carbo) and Great egret (Ardea alba) fighting over fish, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary, January.

Bence Mate / Great egret (Ardea alba) fighting with Cormorant (Phalacrocorax carbo) over fish, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary.