Roland Seitre / Somalian wild ass (Equus africanus somaliensis) head portrait, Refuge Decan, Republic of Djibouti. Critically endangered.

Roland Seitre / Somalian wild ass (Equus africanus somaliensis) head portrait, Refuge Decan, Republic of Djibouti. Critically endangered.

Roland Seitre / Two Pelzen's gazelles (Gazella dorcas pelzeni) resting in shade under tree in grassland, Grand Barra, Republic of Djibouti.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) resting in shade under tree in grassland, Grand Barra, Republic of Djibouti.

Roland Seitre / Three Pelzen's gazelles (Gazella dorcas pelzeni) in desert landscape, Lac Abbe, Republic of Djibouti.

Etienne Littlefair / Ghost bat (Macroderma gigas) in flight, returning to a natural cave roost in the early hours of the morning. Dried blood and matted fur around the face indicates this bat ate vertebrate prey overnight...

Emanuele Biggi / Red-bellied lemur (Eulemur rubriventer) female, hanging on a small tree into the protected rainforest of Ranomafana National Park, Madagascar.

Emanuele Biggi / Five Lemur leaf frog (Agalychnis lemur) embryos developing inside their eggs capsules. Captive, occurs in Central America. Critically endangered.

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) female, in flight carrying pup, aged 4-5 weeks. The mother has lost hold of the pup which is just gripping on with its feet, Myuna Wetlands, Doveton, Vi...

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) female, in flight carrying pup, aged 4-5 weeks. The mother has lost hold of the pup which is just gripping on with its feet, Myuna Wetlands, Doveton, Vi...

Roger Powell / Egyptian vulture (Neophron percnopterus) and Bearded vulture (Gypaetus barbatus) standing face to face, competing for tuft of sheep wool to be used as a nest lining, Lamiana, Aragon, Pyrenees, Spain....

Roland Seitre / Somalian wild ass (Equus africanus somaliensis) portrait, Refuge Decan, Republic of Djibouti. Critically endangered.

Roland Seitre / Somalian wild ass (Equus africanus somaliensis) portrait, Refuge Decan, Republic of Djibouti. Critically endangered.

Roland Seitre / Somalian wild ass (Equus africanus somaliensis) portrait, Refuge Decan, Republic of Djibouti. Critically endangered.

Roland Seitre / Somalian wild ass (Equus africanus somaliensis) and East African oryx (Oryx beisa) portrait, Refuge Decan, Republic of Djibouti. Critically endangered / Endangered.

Roland Seitre / Somalian wild ass (Equus africanus somaliensis) and East African oryx (Oryx beisa) portrait, Refuge Decan, Republic of Djibouti. Critically endangered / Endangered.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) portrait, Dikhil, Republic of Djibouti.

Roland Seitre / Somalian wild ass (Equus africanus somaliensis) standing under a tree in the shade, Refuge Decan, Republic of Djibouti. Critically endangered.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) walking over rocky ground, Dikhil, Republic of Djibouti.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) male, feeding, Dikhil, Republic of Djibouti.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) male, standing in desert landscape, Dikhil, Republic of Djibouti.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) male, walking across desert landscape, Dikhil, Republic of Djibouti.

Roland Seitre / Golden jackal (Canis aureus) with Pelzen's gazelle (Gazella dorcas pelzeni) grazing behind, Dorra, Republic of Djibouti.

Roland Seitre / Two Pelzen's gazelles (Gazella dorcas pelzeni) walking over rocks with mountainside in background, Djalelo, Republic of Djibouti.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) male, portrait, Decan, Republic of Djibouti.

Roland Seitre / Three Pelzen's gazelles (Gazella dorcas pelzeni) female, standing in grassland, Decan, Republic of Djibouti.

Roland Seitre / Pelzen's gazelle (Gazella dorcas pelzeni) female, portrait, Decan, Republic of Djibouti.

Tim Laman / Two Giant river otters (Pteronura brasiliensis) in Anangu creek, Yasuni National Park, Orellana Province, Ecuador. Endangered.

Tim Laman / Giant river otter (Pteronura brasiliensis) swimming in Anangu creek, Yasuni National Park, Orellana Province, Ecuador. Endangered.

Tim Laman / Giant river otter (Pteronura brasiliensis) swimming in Anangu creek, Yasuni National Park, Orellana Province, Ecuador. Endangered.

Jeff Vanuga / Black-footed ferret (Mustela nigripes) emerging from his tunnel at the soft release site in Aubrey, Arizona, USA. January, 2024. Endangered.

Jeff Vanuga / Man caring for Black-footed ferret (Mustela nigripes) at the recovery center, Sybille Research station administered by the Wyoming Game and Fish, Wyoming, USA. Captive. Endangered.

Jeff Vanuga / Researchers monitoring the Black-footed ferret (mustela nigripes) during the soft release program in Aubrey Valley, Arizona, USA. August, 2023. Endangered.

Jeff Vanuga / Black-footed ferret (Mustela nigripes) in cage prior to release back into the wild, Shirley Basin, Wyoming, USA. August, 2023.

Jeff Vanuga / Researcher monitoring Black-footed ferret (mustela nigripes) during the soft release program, Aubrey Valley, Arizona, USA. August, 2023.

Denis-Huot / Crowned crane (Balearica regulorum gibbericeps) head portrait, Masai-Mara game reserve, Kenya.

Denis-Huot / Elephant (Loxodonta africana) male, dust bathing, Amboseli National Park, Kenya. Endangered.

Denis-Huot / Elephant (Loxodonta africana) male, portrait, Amboseli National Park, Kenya. Endangered.

Denis-Huot / Elephant (Loxodonta africana) male, portrait, Amboseli National Park, Kenya. Endangered.

Ann & Steve Toon / White-backed vultures (Gyps africanus) flock perched in tree, silhouetted at sunrise, Mashatu game reserve, Botswana. Critically endangered.

Alex Mustard / Marine iguana (Amblyrhynchus cristatus) feeding on green algae on seabed, with more iguanas on the surface behind, Cape Douglas, Fernandina Island, Galapagos Islands, Pacific Ocean.

Staffan Widstrand / Giant panda (Ailuropoda melanoleuca) female in the wild, walking over snow, Giant Panda National Park, Sichuan, China. March, 2024.

Staffan Widstrand / Giant panda (Ailuropoda melanoleuca) female in the wild, walking over snow, Giant Panda National Park, Sichuan, China. March, 2024.

Staffan Widstrand / Giant panda (Ailuropoda melanoleuca) female in the wild, walking over snow, Giant Panda National Park, Sichuan, China. March, 2024.

Roland Seitre / Sea otter (Enhydra lutris) feeding on Sea urchin prey, Monterey Bay, California, USA, Pacific Ocean. Endangered.

Roland Seitre / Sea otter (Enhydra lutris) feeding on crab prey, Monterey Bay, California, USA, Pacific Ocean. Endangered.

Tim Laman / Bioko red colobus (Procolobus pennantii pennantii) female, sitting in tree in early morning light, Bioko Island, Equatorial Guinea. Endangered.

Tim Laman / Red-eared guenon (Cercopithecus erythrotis erythrotis) male, looking down from branch in rainforest, Bioko Island, Equatorial Guinea. Endangered.

Tim Laman / Red-eared guenon (Cercopithecus erythrotis erythrotis) male, looking down from branch in rainforest, Bioko Island, Equatorial Guinea. Endangered.

Tim Laman / Bioko black colobus (Colobus satanas satanas) sitting on branch in rainforest, Bioko Island, Equatorial Guinea. Endangered.

Henley Spiers / Green turtle (Chelonia mydas) juvenile, swimming in open ocean accompanied by two Pilot fish (Naucrates ductor) and a Remora, eastern Pacific Ocean. Endangered.

Henley Spiers / Green turtle (Chelonia mydas) juvenile, swimming in open ocean accompanied by two Pilot fish (Naucrates ductor) and a Remora, eastern Pacific Ocean. Endangered.

Andy Rouse / Polar bear (Ursus maritimus) head portrait, Svalbard, Norway. September.

Andy Rouse / Polar bear (Ursus maritimus) portrait, Svalbard, Norway. September.

Andy Rouse / RF - Polar bear (Ursus maritimus) silhouetted by the sun, Svalbard, Norway. September. (This image may be licensed either as rights managed or royalty free.)

Andy Rouse / Polar bear (Ursus maritimus) silhouetted at sunset, Svalbard, Norway. September.

Andy Rouse / Polar bear (Ursus maritimus) silhouetted at sunset, Svalbard, Norway. September.

Jeff Vanuga / Two Giant river otters (Pteronura brasiliensis) swimming in river, Cuiaba River, Pantanal region, Brazil. Endangered.

Ben Cranke / African elephant (Loxodonta africana) herd walking across plain, Amboseli National Park, Kenya. Endangered.

Bruce Thomson / Southern cassowary (Casuarius casuarius) portrait, Etty Bay, tropical lowland rainforest, Queensland, Australia.

Bruce Thomson / RF - White-lipped green tree frog (Litoria infrafrenata) portrait, Etty Bay, Wet Tropics World Heritage area, Queensland, Australia. (This image may be licensed either as rights managed or royalty fr...

Bruce Thomson / Southern cassowary (Casuarius casuarius) head portrait, Etty Bay, tropical lowland rainforest, Queensland, Australia.

Bruce Thomson / Southern cassowary (Casuarius casuarius) portrait, Etty Bay, tropical lowland rainforest, Queensland, Australia.

Bruce Thomson / Southern cassowary (Casuarius casuarius) portrait, Etty Bay, tropical lowland rainforest, Queensland, Australia.

Bruce Thomson / Southern cassowary (Casuarius casuarius) head portrait, Etty Bay, tropical lowland rainforest, Queensland, Australia.

Bruce Thomson / RF - Southern cassowary (Casuarius casuarius) walking along beach, Etty Bay, Queensland, Australia. (This image may be licensed either as rights managed or royalty free.)

Ben Cranke / African elephant (Loxodonta africana) females and calves, walking across plain with Mount Kilimanjaro behind, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) female and calf walking across plains, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) bull, walking in front of Mount Kilimanjaro, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) bulls imitating mating while socialising, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) calf running over grassland close to its mother, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) bulls socialising with Mount Kilimanjaro behind, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) calves playing, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) calves playing, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) calves playing, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) calves playing, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) calves playing, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) calves playing, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephant (Loxodonta africana) calves playing, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) cows and calves herd rushing towards a water hole, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) bull silhouetted in front of the setting sun, with Cattle egrets (Bubulcus ibis) perched on its back, Amboseli National Park, Kenya Endangered.

Ben Cranke / Two African elephants (Loxodonta africana) juvenile bulls, testing their strength against each other, playfighting, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephants (Loxodonta africana) juvenile bulls, testing their strength against each other, playfighting, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephants (Loxodonta africana) juvenile bulls, testing their strength against each other, playfighting, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephants (Loxodonta africana) juvenile bulls, testing their strength against each other, playfighting, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephants (Loxodonta africana) juvenile bulls, testing their strength against each other, playfighting, Amboseli National Park, Kenya. Endangered.

Ben Cranke / Two African elephants (Loxodonta africana) juvenile bulls, testing their strength against each other, playfighting, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) calf, portrait, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) herd walking across savanna under cloudy sky, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) herd walking across savanna under cloudy sky, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) feeding on short grass with Mount Kilimanjaro in the background, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) portrait, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) portrait, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) feeding on short grass, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) feeding on short grass, with Mount Kilimanjaro in the background, Amboseli National Park, Kenya. Endangered.

Ben Cranke / African elephant (Loxodonta africana) feeding on short grass, with Mount Kilimanjaro in the background, Amboseli National Park, Kenya. Endangered.