Nick Hawkins / Fishing ropes wrap around the head and mouth, damaging the baleen of a severely entangled North Atlantic right whale (Eubalaena glacialis) in the Gulf of Saint Lawrence, Canada. Fishing gear entanglem...

Nick Hawkins / Fishing ropes wrap over the blowhole of a severely entangled North Atlantic right whale (Eubalaena glacialis) in the Gulf of Saint Lawrence, Canada. Fishing gear entanglement is a leading cause of dea...

Nick Hawkins / Head of a North Atlantic right whale (Eubalaena glacialis) showing callosities, patches of roughened skin that are unique to each whale. Gulf of Saint Lawrence, Canada. IUCN Status: Endangered. August

Neil Aldridge / Leopard (Panthera pardus) female resting on the branch of a tree in the heart of Chief's Island, Okavango Delta, Botswana. Vulnerable species. The leopard is classified as vulnerable by the IUCN and i...

Neil Aldridge / African elephant (Loxodonta africana) baby looking out from the safety of beneath its mother's legs, Northern Tuli Game Reserve, Botswana. Vulnerable species. The African elephant is classified as vul...

Alex Hyde / Lemur leaf frog (Agalychnis lemur) Central Caribbean foothills, Costa Rica. IUCN Red List critically endangered species.

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) feeding on nectar from flowers of the Golden penda (Xanthostemon chrysanthus), Atherton Tablelands, Queensland, Australia. June. Second Place in the Man...

Juergen Freund / Tolga Bat Hospital volunteer handing Little red flying fox (Pteropus scapulatus) baby as it flaps her wings, Tolga Bat Hospital, Atherton Tablelands, Queensland, Australia. May 2015. Second Place in t...

Juergen Freund / Tolga Bat Hospital director Jenny Maclean rescuing, Spectacled flying fox (Pteropus conspicillatus) caught in barbed wire fence. Atherton Tablelands, Queensland, Australia. April 2015. Second Place i...

Juergen Freund / Tolga Bat Hospital volunteer with Little red flying fox (Pteropus scapulatus) crawling over shoulder. Tolga Bat Hospital, Atherton Tablelands, Queensland, Australia. August 2014. Second Place in the M...

Juergen Freund / Little red flying-fox (Pteropus scapulatus) flying around and roosting in trees, Atherton Tablelands, Queensland, Australia. December. Second Place in the Man and Nature portfolio category of the Terr...

Juergen Freund / Paralytic tick (Ixodes holocyclus) with engorged body on human hand, this species affects many species, Spectacled flying fox (Pteropus conspicillatus) among them and infects them with a toxin that ca...

Juergen Freund / Little red flying fox (Pteropus scapulatus) roosting with baby, Atherton Tablelands, Queensland, Australia. May. Second Place in the Man and Nature portfolio category of the Terre Sauvage Nature Image...

Claudio Contreras / Andean condor (Vultur gryphus), IUCN Near Threatened, captive.

Claudio Contreras / California condor (Gymnogyps californianus) preening, IUCN Critically Endangered, captive.

Claudio Contreras / California condor (Gymnogyps californianus), IUCN Critically Endangered, captive.

Claudio Contreras / California condor (Gymnogyps californianus), IUCN Critically Endangered, captive.

Mark Carwardine / Amazon river dolphin, pink river dolphin or boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) - wild animal breaching Threatened species (IUCN Red List)

Mark Carwardine / Amazon / Pink river dolphin / Boto {Inia geoffrensis} Rio Negro, Amazon, Brazil Threatened species (IUCN Red List)

Mark Carwardine / Amazon / pink river dolphin / boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) wild animal breaching, Threatened species (IUCN Red List)

Mark Carwardine / Amazon / Pink river dolphin / Boto {Inia geoffrensis} breaching, Rio Negro, Amazon, Brazil Threatened species (IUCN Red List)

Mark Carwardine / Amazon river dolphin, pink river dolphin or boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) - two wild animals fighting over fish Threatened species (IUCN Red List)

Mark Carwardine / Amazon / pink river dolphin / boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) wild animal underwater in tannin rich river, Threatened species (IUCN Red List)

Mark Carwardine / Amazon / pink river dolphin / boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) wild animal underwater in tannin rich river, Threatened species (IUCN Red List)

Mark Carwardine / Amazon / pink river dolphin / boto (Inia geoffrensis) Rio Negro, Brazil (Amazon) wild animal underwater in tannin rich river, Threatened species (IUCN Red List)

Thomas Rabeil / Flock of Marabou Stork (Leptoptilos crumeniferus) taking flight at seasonal waterhole, seen from above. Sahelo-Sudanese Biome, W National Park (UNESCO, IUCN & RAMSAR), Niger. Aerial census, May 2011.

Alex Hyde / Ground Dwelling tree frog (Gephyromantis / Mantidactylus webbi) camouflaged against moss. Masoala Peninsula National Park, north east Madagascar. IUCN endangered species

Alex Hyde / Indri (Indri indri) portrait, climbing tree, tropical rainforest, Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

Alex Hyde / Indri (Indri indri) portrait, sitting in tree, tropical rainforest, Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

Alex Hyde / Helmet Vanga (Euryceros prevostii) on nest incubating eggs. Masoala Peninsula National Park, north east Madagascar. IUCN Vulnerable Species.

Alex Hyde / Fosa / Fossa (Cryptoprocta ferox) male snarling, dry deciduous forest, Kirindy Forest, Western Madagascar, IUCN vulnerable species. Not available for ringtone/wallpaper use.

Alex Hyde / Fosa / Fossa (Cryptoprocta ferox) male head portrait, in dry deciduous forest, Kirindy Forest, Western Madagascar, IUCN vulnerable species.

Alex Hyde / Fosa / Fossa (Cryptoprocta ferox) male prowling in dry deciduous forest, Kirindy Forest, Western Madagascar, IUCN vulnerable species.

Alex Hyde / Diademed Sifakas (Propithecus diadema diadema) family group with baby in tropical rainforest. Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

Alex Hyde / Diademed Sifakas (Propithecus diadema diadema) family group with baby in tropical rainforest. Andasibe-Mantadia National Park, Eastern Madagascar. IUCN Endangered Species.

Lisa Hoffner / Wild Cotton-top tamarin (Saguinus oedipus) appears to fly through the air as it jumps from branch to branch in the dry tropical forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top Tamarin (Saguinus Oedipus) on vine, in tropical dry forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top tamarins (Saguinus oedipus) climbing up fallen branches in dry tropical forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Wild Cotton-top tamarin (Saguinus oedipus) hanging from hind legs (never before observed behaviour) in the dry tropical forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Portrait of two wild Cotton-top Tamarins (Saguinus Oedipus) resting on vine in tropical dry forest of Colombia, South America. IUCN List: Critically Endangered

Lisa Hoffner / Portrait of wild Cotton-top tamarins (Saguinus oedipus) standing on a branch in dry tropical forest of Colombia, South America IUCN List: Critically Endangered

Tim Laman / Rufous-necked hornbill (Aceros nipalensis) perched on branch, Huai Kha Khaeng Wildlife Sanctuary, Thailand. IUCN Vulnerable

Eric Baccega / Giant otter (Pteronura brasiliensis) swimming, captive, from Pantanal, Brazil, IUCN Endangered

Eric Baccega / Sumatran tiger (Panthera tigris sumatrae) resting. Captive, IUCN red list of endangered species

Eric Baccega / Red kite (Milvus milvus), IUCN red list of endangered species captive, France

Doug Gimesy / A platypus (Ornithorhynchus anatinus) has a radio transponder surgically implanted by Dr Gilad Bino whilst anaesthetised in a make-shift surgical theatre in a lounge. This transponder will allow resea...

Doug Gimesy / A platypus (Ornithorhynchus anatinus) has a radio transponder surgically implanted by Dr Gilad Bino whilst anaesthetised in a make-shift surgical theatre in a lounge. This transponder will allow resea...

Doug Gimesy / Volunteer field assistant recording data from an anaesthetised platypus (Ornithorhynchus anatinus) as it starts to recover from the anesthetic. It was anaesthetised so a temporary radio transponder co...

Magnus Lundgren / Wild Wonders of China / Green turtle, Chelonia mydas, also known as green sea turtle, is a large sea turtle of the family Cheloniidae. Green turtles are listed as endangered by the IUCN and CITES and is protected from exploi...

Neil Aldridge / Tail of an adult Temminck's Ground Pangolin (Smutsia temminckii) showing the scales that make pangolins the world's most illegally trafficked mammal. More pangolins are illegally trafficked than...

Franco Banfi / Tail of Sperm whale (Physeter macrocephalus) Vulnerable (IUCN), Dominica, Caribbean Sea, Atlantic Ocean.

Nick Hawkins / Severley damaged tail of North Atlantic right whale (Eubalaena glacialis), the result of a ship strike. Gulf of Saint Lawrence, Canada. IUCN Status: Endangered. July

Nick Hawkins / Entanglement scars from fishing gear on the tail of a North Atlantic right whale (Eubalaena glacialis), Gulf of Saint Lawrence, Canada. IUCN Status: Endangered. August

Nick Hawkins / Severley damaged tail of North Atlantic right whale (Eubalaena glacialis), the result of a ship strike. Gulf of Saint Lawrence, Canada. IUCN Status: Endangered. August

Nick Hawkins / Entanglement scars from fishing gear on the tail of a North Atlantic right whale (Eubalaena glacialis), Gulf of Saint Lawrence, Canada. IUCN Status: Endangered. August

Nick Hawkins / The unique v-shaped blow of a North Atlantic right whale (Eubalaena glacialis) created by the two nostrils being set at angles to eachother. Gulf of Saint Lawrence, Canada. IUCN Status: Endangered. Ju...

Nick Hawkins / North Atlantic right whales (Eubalaena glacialis) socializing at the surface of the Gulf of Saint Lawrence, Canada. IUCN Status: Endangered. June

Nick Hawkins / A North Atlantic right whale (Eubalaena glacialis) struggles to free itself from being entangled in fishing gear in the Gulf of Saint Lawrence, Canada. Fishing gear entanglement is a leading cause of...

Nick Hawkins / A North Atlantic right whale (Eubalaena glacialis) struggles to free itself from being entangled in fishing gear in the Gulf of Saint Lawrence, Canada. Fishing gear entanglement is a leading cause of...

Nick Hawkins / Fishing ropes wrap over the blowhole of a severely entangled North Atlantic right whale (Eubalaena glacialis) in the Gulf of Saint Lawrence, Canada. Fishing gear entanglement is a leading cause of dea...

Nick Hawkins / Fishing ropes wrap over the blowhole of a severely entangled North Atlantic right whale (Eubalaena glacialis) in the Gulf of Saint Lawrence, Canada. Fishing gear entanglement is a leading cause of dea...

Nick Hawkins / North Atlantic right whales (Eubalaena glacialis) at surface, active group comprised of one female and a number of males competing with each other in order to mate with her. Gulf of Saint Lawrence, Ca...

Nick Upton / Wild asparagus (Asparagus officinalis), an IUCN Red List species, with red fruits, growing among limstone rocks on coastal headland, Pria, near Ribadesella, Asturias, Spain, August.

Will Watson / Llanthony Whitebeam (Sorbus stenophylla) berries, endemic to the Brecon Beacons and IUCN Endangered, Vale of Ewyas, Breconshire, Wales, October 2018.

Claudio Contreras / whale Shark (Rhincodon typus), IUCN Redlist Endangered, La Paz, Sea of Cortez (Gulf of California), Baja California, Mexico, February

Karine Aigner / African wild dogs (Lycaon pictus) of the same pack playing and greeting each other. Zimbabwe

Jen Guyton / White-backed vultures (Gyps africanus) pick at the drying and deflated skin of an elephant carcass (Loxodonta africana) while spotted hyenas (Crocuta crocuta) look on, Laikipia Plateau, Kenya. The hye...

Jen Guyton / Rüppell's griffon vultures (Gyps rueppelli) and white-backed vultures (Gyps africanus) feed on an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The elephant was killed by government...

Jen Guyton / White-backed vultures (Gyps africanus) pick at an elephant carcass (Loxodonta africana) while a spotted hyena (Crocuta crocuta) looks on, Laikipia Plateau, Kenya. The hyena is tinted a reddish-brown f...

Jen Guyton / Spotted hyenas (Crocuta crocuta), Rüppell's griffon vultures (Gyps rueppelli) and white-backed vultures (Gyps africanus) at the carcass of an elephant (Loxodonta africana), as the night and day shifts...

Jen Guyton / Rüppell's griffon vulture (Gyps rueppelli) and spotted hyenas (Crocuta crocuta) pick at an elephant (Loxodonta africana) carcass at dawn, Laikipia Plateau, Kenya. This elephant was killed by governme...

Jen Guyton / A spotted hyena (Crocuta crocuta) chases a flock of white-backed vultures (Gyps africanus) away from an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The hyenas are tinted a reddish...

Jen Guyton / White-backed vultures (Gyps africanus) and spotted hyenas (Crocuta crocuta) pick at the drying and deflated skin of an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The hyenas are ti...

David Fleetham / Victoria crowned pigeon (Goura victoria), a species evaluated as Vulnerable on the IUCN Red List of Threatened Species. New Guinea.

Claudio Contreras / Olive Ridley Sea Turtle (Lepidochelys olivacea) nesting, egg in nest, Arribada (mass nesting event), Playa Morro Ayuta, Oaxaca state, southern Mexico, IUCN Vulnerable, August

Claudio Contreras / Olive ridley turtle (Lepidochelys olivacea) mating, Huatulco National Park, Oaxaca state, southern Mexico, IUCN Vulnerable, August

Claudio Contreras / American crocodile (Crocodylus acutus), IUCN Vulnerable, Jardines de la Reina / Gardens of the Queen National Park, Caribbean Sea, Ciego de Avila, Cuba, January

Claudio Contreras / Olive ridley sea turtle (Lepidochelys olivacea) nesting, Arribada (mass nesting event), Playa Morro Ayuta, Oaxaca state, southern Mexico, IUCN Vulnerable, August

Claudio Contreras / Olive ridley sea turtle (Lepidochelys olivacea) arriving to nest, Arribada (mass nesting event), Playa Morro Ayuta, Oaxaca state, southern Mexico, IUCN Vulnerable, August

Claudio Contreras / Hawksbill turtle (Eretmochelys imbricata), IUCN Critically Endangered, Jardines de la Reina / Gardens of the Queen National Park, Ciego de Avila, Cuba, January

Claudio Contreras / Olive Ridley turtle (Lepidochelys olivacea) mating, Huatulco National Park, Oaxaca state, southern Mexico, IUCN Vulnerable, August

Tony Wu / Whitespotted bamboo shark (Chiloscyllium plagiosum) working his way into a crevice to approach female to mate. The males two claspers (the organs used for inseminating the female shark) are clearly vi...

Franco Banfi / Steller sea lions (Eumetopias jubatus), Alaska, United States, North Pacific Ocean.

Franco Banfi / Steller sea lions (Eumetopias jubatus), Alaska, United States, North Pacific Ocean.

Inaki Relanzon / Man posing among rock columns in Molino de Aso Cave, Ordesa National Park (IUCN Category II National Park), Pyrenees, Spain, October 2013.

Claudio Contreras / Mexican Hogfish (Bodianus diplotaenia) and Whitetip Reef Shark (Triaenodon obesus) resting, IUCN Near Threatened, Roca Partida Islet, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pac...

Claudio Contreras / Whitetip Reef Shark (Triaenodon obesus), IUCN Near Threatened, Roca Partida Islet, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexico, March

Claudio Contreras / Whitetip Reef Shark (Triaenodon obesus) resting on ground, IUCN Near Threatened, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexico, Mar...

Claudio Contreras / Flag Cabrilla (Epinephelus labriformis) and Clarion Angelfish (Holacanthus clarionensis), Clarion Angelfish IUCN Vulnerable, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro...

Claudio Contreras / Giant Manta Ray (Manta birostris), IUCN Vulnerable, Socorro Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexico, March

Claudio Contreras / Giant Manta Ray (Manta birostris), IUCN Vulnerable, Socorro Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexico, March

Claudio Contreras / Silky Shark (Carcharhinus falciformis) and Bigeye Trevally (Caranx sexfasciatus), Silky Shark IUCN Near Threatened, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands),...

Claudio Contreras / Carolines / Stareye Parrotfish (Calotomus carolinus), territorial dispute, Clarion Angelfish (Holacanthus clarionensis), Clarion Angelfish IUCN Vulnerable, San Benedicto Island, Revillagigedo Archipel...

Claudio Contreras / Giant Manta Ray (Manta birostris) and Black Jack (Caranx lugubris), Giant Manta Ray IUCN Vulnerable, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean,...

Claudio Contreras / Giant Manta Ray (Manta birostris) and Black Jack (Caranx lugubris), Giant Manta Ray IUCN Vulnerable, San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean,...

Claudio Contreras / Black Jack (Caranx lugubris) near Giant Manta Ray (Manta birostris), tail, IUCN Vulnerable, Socorro Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexic...