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

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)

Paul D Stewart / Lithograph with contemporary colouring, continental version of the last wallchart produced by Benjamin Waterhouse Hawkins for the Department of Science and Art 1862. It is entitled 'Pachydermata and C...

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

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

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.

Karine Aigner / African wild dogs (lycaon pictus) fighting with a Spotted hyena (Crocuta crocuta) Malilangwe Wildlife Reserve. Zimbabwe.

Karine Aigner / African wild dog (Lycaon pictus) staring intensely at the camera. Malilangwe Wildlife Reserve, Zimbabwe.

Ashley Cooper / Electric pylons in Fairbanks, Alaska collapsing into the ground due to global warming induced permafrost melt. Alaska, USA. August 2004

Ashley Cooper / The Riverdance washed ashore off Blackpool, one of 3 ships lost that day off the UK. This ship was hit by a huge wave that shifted the vehicle cargo on the decks causing the ship to list violently. T...

Ashley Cooper / RAF 'Sea King' Helicopter preparing to drop salvage experts onto The Riverdance washed ashore off Blackpool. The Riverdance was one of 3 ships lost that day off the UK. The ship was hit by a huge wave...

Ashley Cooper / RAF 'Sea King' Helicopter preparing to drop salvage experts onto The Riverdance washed ashore off Blackpool. The Riverdance was one of 3 ships lost that day off the UK. The ship was hit by a huge wave...

Ashley Cooper / Coast guard looking at the 'Riverdance' washed ashore off Blackpool. The 'Riverdance' was one of 3 ships lost in one day off the coast of the UK. The ship was hit by a huge wave that shifted the vehi...

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.

Sylvain Cordier / Humboldt's hog-nosed skunk (Conepatus humboldtii) Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Guanaco (Lama guanicoe) herd, Torres del Paine National Park

Sylvain Cordier / Guanaco (Lama guanicoe) mother with calf suckling, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Silvery grebe (Podiceps occipitalis) on nest, Torres del Paine National Park, Patagonia, Chile

Sylvain Cordier / Silvery grebe (Podiceps occipitalis) Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Great grebe (Podiceps major) Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Austral pygmy owl (Glaucidium nanum) perched, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / The Horns of Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Humboldt's hog-nosed skunk (Conepatus humboldtii) Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / South Andean Deer (Hippocamelus bisulcus), new born fawn, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / South American gray fox (Lycalopex griseus) adult eating a head of brown hare. Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Cougar (Puma concolor) juveniles, age one year, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Greater Rhea (Rhea americana) chicks, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Guanaco (Lama guanicoe), two calves, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Guanaco (Lama guanicoe) pair mating, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Guanaco (Lama guanicoe) calf, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Austral pygmy owl (Glaucidium nanum) , perched, Torres del Paine National Park, Patagonia,Chile

Sylvain Cordier / Amazon river dolphin (Inia geoffrensis) leaping out of water, Rio Negro, Amazonas, Brazil.

Sylvain Cordier / Two Cougar / Mountain lion (Puma concolor) cubs playing together with motion blur. Torres del Paine National Park, Chile.

Sylvain Cordier / Guanaco (Lama guanicoe), adult female with calf suckling Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Guanaco (Lama guanicoe) with lake and mountain background, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Silvery grebe (Podiceps occipitalis) on nest, Torres del Paine National Park, Patagonia, Chile.

Sylvain Cordier / Local fisherman feeding wild Amazon river dolphin (Inia geoffrensis) Rio Negro, Amazonas, Brazil.

Sylvain Cordier / Amazon river dolphin (Inia geoffrensis) Rio Negro, Amazonas, Brazil.

Sylvain Cordier / Socotran freshwater crab (Socotra pseudocardisoma) Homhil plateau, Socotra Island, UNESCO World Heritage Site, Yemen

Sylvain Cordier / Guanaco (Lama guanicoe), adult female and baby, Torres del Paine National Park, Patagonia, Chile.

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...

Will Watson / Wooden church (Biserica de Lemn) in Budesti Josani, built in 1628, UNESCO World Heritage list, Maramure? region of northern Transylvania, Romania. June 2016.

Tony Wu / Tufted gray langur (Semnopithecus priam thersites subspecies) sitting in nook f tree, Trincomalee, Sri Lanka, Endangered on the IUCN Red List.

Tony Wu / Banggai cardinalfish (Pterapogon kauderni) with clutch of eggs in its mouth, eyes of the developing embryos visible. These fish are listed as endangered on the IUCN Red List. Lembeh Strait, North Sula...

Bernard Castelein / Madagascan land crab (Madagapotamon humberti), Ankarana National Park, Madagascar, Red List IUCN

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

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

Alex Hyde / Lemur leaf frog (Agalychnis lemur) males fighting, showing red night time colouration, Central Caribbean foothills, Costa Rica. IUCN Red List critically endangered species.

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

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

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

Alex Hyde / Black-handed spider monkey (Ateles geoffroyi) Corcovado National Park, Osa Peninsula, Costa Rica. IUCN Red List Endangered species.

Alex Hyde / Black-handed spider monkey (Ateles geoffroyi) Corcovado National Park, Osa Peninsula, Costa Rica. IUCN Red List Endangered species.

Alex Hyde / Baird's tapir (Tapirus bairdii) sleeping in dense rainforest, Corcovado National Park, Osa Peninsula, Costa Rica, IUCN Red List Endagered species.

Alex Hyde / Granular poison frog (Oophaga granulifera) Osa Peninsula, Costa Rica. Vulnerable IUCN Red List species.

Alex Hyde / Granular poison frog (Oophaga granulifera) Osa Peninsula, Costa Rica. Vulnerable IUCN Red List species.

Alex Hyde / Granular poison frog (Oophaga granulifera) Osa Peninsula, Costa Rica. Vulnerable IUCN Red List species.

Alex Hyde / Granular poison frog (Oophaga granulifera) Osa Peninsula, Costa Rica. Vulnerable IUCN Red List species.

Alex Hyde / Black-handed spider monkey (Ateles geoffroyi) Osa Peninsula, Costa Rica. IUCN Red List Endangered species.

Alex Hyde / Black-crowned Central American squirrel monkey (Saimiri oerstedii oerstedii) Osa Peninsula, Costa Rica. IUCN Red List Vulnerable species.

Alex Hyde / Black-crowned Central American squirrel monkey (Saimiri oerstedii oerstedii) Osa Peninsula, Costa Rica. IUCN Red List Vulnerable species.

Alex Hyde / Black-crowned Central American squirrel monkey (Saimiri oerstedii oerstedii) Osa Peninsula, Costa Rica. IUCN Red List Vulnerable species.

Alex Hyde / Black-crowned Central American squirrel monkey (Saimiri oerstedii oerstedii) Osa Peninsula, Costa Rica. IUCN Red List Vulnerable species.

Alex Hyde / Granular poison frog (Oophaga granulifera) Osa Peninsula, Costa Rica. Vulnerable IUCN Red List species.

Alex Hyde / Granular poison frog (Oophaga granulifera) Osa Peninsula, Costa Rica. Vulnerable IUCN Red List species.

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

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

Alex Hyde / Lemur leaf frog (Agalychnis lemur) moving through rainforest vegetation at night, Central Caribbean foothills, Costa Rica. IUCN Red List critically endangered species.

Gary K. Smith / Fresh seafood in Rialto market, Venice, Italy, April.

Gary K. Smith / Fresh squid in Rialto market, Venice, Italy, April.

Gary K. Smith / Fresh seafood for sale at Rialto market, Venice, Italy, April

Gary K. Smith / Asparagus and fresh vegetables in Rialto Market Venice, Italy, April.

Gary K. Smith / Fresh vegetables in Rialto Market Venice, Italy, April.

Gary K. Smith / Radicchio Rosso in Rialto Market, Venice, Italy.