Jabruson Motion / Eastern mountain gorilla (Gorilla beringei beringei) juvenile and adult sitting side by side. The young gorilla is grooming whilst the adult watches. Virunga National Park, Democratic Republic of Cong...

Jabruson Motion / Eastern mountain gorilla (Gorilla beringei beringei) juvenile swinging on a overhanging vine. Another juvenile steals the vine and then an adult comes over to intervene, stopping a forthcoming fight....

Nick Upton / Common crane (Grus grus) adult and juvenile walking through marshland, Slimbridge, Gloucestershire, UK, August.

Roman Willi / African buffalo (Syncerus caffer) calf and adult standing in grassland, Mikumi National Park, Tanzania.

Tim Laman / Great hornbill (Buceros bicornis) perched in rainforest tree in mist, Halabala Wildlife Sanctuary, Narathiwat, Thailand.

Tim Laman / Rhinoceros hornbill (Buceros rhinoceros) male in flight through forest, Halabala Wildlife Sanctuary Narathiwat, Thailand.

Tim Laman / Rhinoceros hornbill (Buceros rhinoceros) male in flight through forest, Halabala Wildlife Sanctuary, Narathiwat, Thailand.

Tim Laman / Mangrove snake (Boiga dendrophila) slithering up riverbank in forest, Utik River, Sungai Utik Customary Forest, Kapuas Ulu, Kalimantan, Borneo, Indonesia.

Tim Laman / Village chief Apai Bandi sits on log on the side of his tribe's pristine river and talks to about the importance of protecting their forest, Utik River, Sungai Utik Customary Forest, Kalimantan,...

Franco Banfi / European bison (Bison bonasus) herd with calves stand in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland.

David Tipling / Barn owl (Tyto alba) in flight over field in late afternoon, Norfolk, UK. March.

David Tipling / Long-eared owl (Asio otus) flying over meadow in late afternoon, Glandford, Norfolk, UK. February.

David Tipling / Long-eared owl (Asio otus) flying over meadow and looking for prey in late afternoon, Glandford, Norfolk, UK. February.

David Tipling / Barn owl (Tyto alba) hunting in meadow at sunset, Norfolk, UK.

David Tipling / Brown hare (Lepus europaeus) running through wet field, Norfolk, UK. March.

David Tipling / Shore lark (Eremophila alpestris) male standing amongst pebbles on beach, Holme, Norfolk, UK. January.

David Tipling / Shore lark (Eremophila alpestris) male standing amongst pebbles on beach, Holme, Norfolk, UK. January.

David Tipling / Barn owl (Tyto alba) flying past road sign, Norfolk, UK. January.

Franco Banfi / European bison (Bison bonasus) herd with calves grazing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland.

Sylvain Cordier / Female Pallas's cat (Otocolobus manul) lying down on rock. East Mongolia. July.

Sylvain Cordier / Female Pallas's cat (Otocolobus manul) walking through grass. East Mongolia. July.

Sylvain Cordier / Female Pallas's cat (Otocolobus manul) resting between rocks. East Mongolia. July.

Sylvain Cordier / Female Pallas's cat (Otocolobus manul) resting on rock. East Mongolia. July.

Sylvain Cordier / Female Pallas's cat (Otocolobus manul) walking across rocks. East Mongolia. July.

Manuel Gracia / Close up of Common carp (Cyprinus carpio) gill. Fish struggles to breath in drying lagoon, near Donana National Park, Sevilla, Andalucia, Spain, July. Lagoon drying due to drought.

Manuel Gracia / Black stork (Ciconia nigra) swallowing dead fish from drying lagoon at dusk, near Donana National Park, Sevilla, Andaluc?a, Spain. July. Lagoon drying due to drought.

Brian Bevan / European robin (Erithacus rubecula) feeding on frozen deer carcass in field, Bedfordshire, UK.

Brian Bevan / Common pheasant (Phasianus colchicus) male pecking at ground and looking around in frosty meadow, Bedfordshire, UK.

Brian Bevan / Little owl (Athene noctua) perching on dry grass in field and looking around before taking flight and leaving frame, Bedfordshire, UK.

David Fleetham / Whitetip reef shark (Triaenodon obesus) resting on seabed under rock. Hawaii, Pacific Ocean.

David Fleetham / Iridescent cardinalfish (Pristiapogon kallopterus) swimming through coral reef, Hawaii, Pacific Ocean.

David Fleetham / Whitepatch razorfish (Xyrichtys aneitensis) swimming above sandy seabed, Hawaii, Pacific Ocean.

David Fleetham / Tail of Redfin soldierfish (Myripristis amaena) as it swims past, with another following behind, Hawaii, Pacific Ocean.

David Fleetham / Tufted spiny lobster (Panulirus penicillatus) hiding in reef cave, Maui, Hawaii, Pacific Ocean.

David Fleetham / Eyestripe surgeonfish (Acanthurus dussumieri) swimming above coral reef, Hawaii.

David Fleetham / Great white shark (Carcharodon carcharias) swimming in open ocean, Guadalupe Island, Mexico, Atlantic Ocean.

David Fleetham / Threespot chromis (Chromis verater) swimming through coral reef, Hawaii, Pacific Ocean. Endemic.

David Fleetham / Threespot chromis (Chromis verater) with darkened spots, swimming through shoal of Indo-Pacific sergeant fish (Abudefduf vaigiensis) and other fish, Hawaii, Pacific Ocean.

Robin Chittenden / Common swift (Apus apus) flying over water, Cantley, Norfolk, UK, June.

Robin Chittenden / Common swift (Apus apus) flying over water, Cantley, Norfolk, UK, June.

Robin Chittenden / Common swift (Apus apus) flying over water, Cantley, Norfolk, UK, June.

Marie Read / American bittern (Botaurus lentiginosus) booming in Cattail (Typha) marsh, Montezuma National Wildlife Refuge, New York, USA.

Marie Read / American bittern (Botaurus lentiginosus) booming in Cattail (Typha) marsh, Montezuma National Wildlife Refuge, New York, USA.

David Tipling / Common shelduck (Tadorna tadorna) pair escort creche of chicks across scrape, Cley Norfolk Wildlife Trust Reserve, North Norfolk, UK.

Guy Edwardes / Tenerife blue chaffinch (Fringilla teydea) male, perched on branch, Teide, Tenerife, Canary Islands.

Robin Chittenden / Robin (Erithacus rubecula) singing on bare tree branch, Whitlingham Country Park, Norfolk, UK. February.

Robin Chittenden / Four Pink-footed geese (Anser barchyrhynchus) foraging in tilled field, Weybourne, Norfolk, UK. February.

Robin Chittenden / Woodpigeon (Columba palumbus) feeding on frost-covered Ivy (Hedera helix) fruit, Whitlingham Country Park, Norfolk, UK. January.

Robin Chittenden / Pink-footed geese (Anser brachyrhynchus) flock foraging in tilled field, Weybourne, Norfolk, UK, February.

Robin Chittenden / Pied wagtail (Motacilla alba yarrellii) standing on frost-covered grass, Whitlingham Country Park, Norfolk, UK. January.

Robin Chittenden / Barn owl (Tyto alba) flying over field, Norfolk, UK. January.

Robin Chittenden / Barn owl (Tyto alba) in flight over field, Norfolk, UK. January.

Robin Chittenden / Common kestrel (Falco tinnunculus) female, perched on lichen encrusted twig, Norfolk, UK, January.

Robin Chittenden / Short-eared owl (Asio flammeus) flying over grassy field and looking down for prey, Norfolk, UK. January.

Robin Chittenden / Fox (Vulpes vulpes) head portrait, Reigate, Surrey, UK. December.

Robin Chittenden / Canada geese (Branta canadensis) flock flying past trees, Whitlingham Country Park, Norfolk, UK, January.

Robin Chittenden / Black-headed gull (Chroicocephalus ridibundus) lying dead in frozen lake, Whitlingham Country Park, Norfolk, UK, January 2023. Cause of death unknown but possibly Avian Flu.

Robin Chittenden / Chinese water deer (Hydropotes inermis) male standing in field and looking around, Norfolk, UK. January.

Robin Chittenden / Carrion crow (Corvus corone) standing on frozen pond amongst reeds, Whitlingham Country Park, Norfolk, UK. December.

Franco Banfi / Moose (Alces alces) male, standing on edge of forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) herd standing in field with village behind, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / Moose (Alces alces) male, looking between trees in forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) herd standing in field, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / Herd of European bison (Bison bonasus) standing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) herd with juvenile standing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) standing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European green woodpecker (Picus viridis) male, perched on branch, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) standing in forest and looking around, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) standing in forest clearing, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) bull standing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / Two Whooper swans (Cygnus cygnus) swimming on lake beside reedbed, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) bull standing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / Raven (Corvus corax) flying beside forest. Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) cow standing in field near forest as others behind lay in the grass, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) standing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Franco Banfi / European bison (Bison bonasus) cow standing in field beside forest, Bialowieza Forest UNESCO World Heritage Site, Poland. January.

Doug Perrine / Day octopus (Octopus cyanea) resting on Fringe coral (Porites compressa) in coral reef, Honokohau, North Kona, Big Island, Hawaiian Islands, Pacific Ocean.

Doug Perrine / Hawaiian green lionfish (Dendrochirus barberi) resting on seabed, Honokohau, North Kona, Hawaii Island, Hawaii, USA, Pacific Ocean.

Doug Perrine / Scarface blenny (Cirripectes vanderbilti) resting on coral, Makako Bay, Keahole, North Kona Coast, Hawaii, USA, Pacific Ocean.

Doug Perrine / Fisher's seahorse (Hippocampus fisheri) swimming in surface waters of open ocean at night, Kona, Big Island, Hawaii , USA, Pacific Ocean.

Doug Perrine / Humpback whale (Megaptera novaeangliae) female rising toward the surface, with Acorn barnacles (Balanomorpha sp.) under rostrum and leading edges of pectoral fins, North Kona, Hawaii, USA, Pacific Oce...

Doug Perrine / Green sea turtle (Chelonia mydas) being cleaned of algae by Yellow tangs (Zebrasoma flavescens), Goldring surgeonfish (Ctenochaetus strigosus) and Blueline surgeonfish (Acanthurus nigroris) as it swim...

Tony Wu / Mature lumpfish (Eumicrotremus taranetzi) with ability to control each eye independently. Pacific Ocean, Hokkaido, Japan.

Tony Wu / Mature lumpfish (Eumicrotremus taranetzi) wrapping caudal fin around body while swimming. Pacific Ocean, Hokkaido, Japan.

Tony Wu / Close-up of mature male Barbed hunchback poacher (Agonomalus proboscidalis) with Blue bat star (Patiria pectinifera) in background. Pacific Ocean, Hokkaido, Japan.

Tony Wu / Mature male Barbed hunchback poacher (Agonomalus proboscidalis) on sea floor. Pacific Ocean, Hokkaido, Japan.

Tony Wu / Mature male Barbed hunchback poacher (Agonomalus proboscidalis) on sea floor. Pacific Ocean, Hokkaido, Japan.

Ashok Jain / Shikra (Accipiter badius) female looking around whilst bathing in birdbath, India. May.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) hanging from tree and spreading wing in sunlight, Australia.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) stretching wing to warm it in sunlight as another sleeps beside it, Yarra Bend Park, Victoria, Australia.

Neil Aldridge / Double-banded carpenter bee (Xylocopa caffra) female nectaring flowers, Makuleke Region, Great Limpopo Transfrontier Park, South Africa.

Neil Aldridge / Double-banded carpenter bee (Xylocopa caffra) female nectaring flowers before leaving frame, Makuleke Region, Great Limpopo Transfrontier Park, South Africa.

Neil Aldridge / Common flat lizard (Platysaurus intermedius) female peering over rocks and looking around before climbing rock behind and leaving frame, Mapungubwe National Park, Greater Mapungubwe Transfrontier Cons...

Neil Aldridge / Common flat lizard (Platysaurus intermedius) female hunting for insects using its tounge on rocks, Mapungubwe National Park, Greater Mapungubwe Transfrontier Conservation Area, South Africa.

Neil Aldridge / Blue wildebeest (Connochaetes taurinus) bulls fighting, Mapungubwe National Park, Greater Mapungubwe Transfrontier Conservation Area, South Africa.

Neil Aldridge / Martial eagle (Polemaetus bellicosus) perched on ground and feeding, Letaba Riverbank , Kruger National Park in the Great Limpopo Transfrontier Park, South Africa.