Mark Carwardine / Aye-aye (Daubentonia madagascariensis) Captive, Tsimbazaza Zoo, Madagascar

Mark Carwardine / Siberian / Amur tiger (Panthera tigris altaica). Male rescued from poachers, ÊUtyos Wildlife Rehabilitation Centre, Kutuzovka Village, Russian Far East, in taiga forest, Endangered species

Mark Carwardine / Mexican wolf (Canis lupus baileyi) running, captive, Living Desert Zoo, Palm Desert, California, USA

Mark Carwardine / Yangtze / Chinese river dolphin / Baiji {Lipotes vexillifer} Critically endangered - officially declared extinct late 2007. This individual (a male called Qi-Qi) was photographed in captivity in 1988...

Mark Carwardine / Northern white rhinoceros {Ceratotherium simum cottoni} running / charging, Garamba NP, Dem Rep Congo. 1989

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)

Mark Carwardine / School of Common / Koi Carp (Cyprinus carpio) feeding in pond, Mandalay, Burma (Myanmar)

Mark Carwardine / Aerial view of adult female Blue whale (Balaenoptera musculus), Sea of Cortez (Gulf of California), Baja California, Mexico (Pacific coast), Endangered species

Mark Carwardine / Aye-aye (Daubentonia madagascariensis) captive, from Madagascar, Endangerd species, Bristol Zoo

Sergey Gorshkov / Ash plume and lava erupting from Plosky Tolbachik Volcano, Kamchatka Peninsula, Russia, 5 December 2012

Ole Jorgen Liodden / Male Hooker's / New Zealand sea lion (Phocarctos hookeri) in water, Campbell Island, New Zealand, sub Antarctic Islands. November.

Ole Jorgen Liodden / Yellow-eyed Penguin (Megadyptes antipodes) endangered specie, Auckland Island, New Zealand. November.

Ole Jorgen Liodden / Fiordland crested penguin (Eudyptes pachyrhynchus) riding a foamy wave into the shore. Westland, New Zealand, Vulnerable species. November.

Ole Jorgen Liodden / Fiordland crested penguin (Eudyptes pachyrhynchus) in shallow water. Westland, New Zealand, Vulnerable species. November.

Ole Jorgen Liodden / Fiordland crested penguin (Eudyptes pachyrhynchus) rear view, Westland, New Zealand, Vulnerable species. November.

Christophe Courteau / Mountain Gorilla (Gorilla beringei) female holding baby in dense vegetation in Volcanoes National Park, Rwanda, at an altitude of 3000m, short dry season, February

Christophe Courteau / Fighting between a pack of 21 African Wild Dogs {Lycaon pictus} and the dominant female of a clan of Spotted Hyaenas (Crocuta crocuta) Northern Okavango Delta, Botswana

Christophe Courteau / Fighting between a pack of 21 African Wild Dogs {Lycaon pictus} and the dominant female of a clan of Spotted Hyaenas (Crocuta crocuta) Northern Okavango Delta, Botswana

Christophe Courteau / Mountain gorilla (Gorilla beringei) baby in mother's arms. 3000 metres above sea level in Volcanoes National Park, Rwanda. Short dry season, February

Christophe Courteau / Wild chimpanzees (Pan troglodytes schweinfurthii) in a fig tree, Kibale National Park, Uganda

Christophe Courteau / Proboscis monkey (Nasalis larvatus) male preparing to jump. Low tide in the mangroves, Bako National Park, Sarawak, Borneo, Malaysia

Christophe Courteau / Proboscis monkey (Nasalis larvatus) female in mangroves, carrying her baby on her front. Bako National Park, Sarawak, Borneo, Malaysia

Christophe Courteau / Mountain Gorilla (Gorilla beringei) dominant male silver back sitting amongst vegetation. 2700 metres above sea level in Volcanoes National Park, Rwanda. short dry season, February

Christophe Courteau / Yellow bellied toad defensive behaviour {Bombina variegata} France sequence 5/7

Steven Kazlowski / Polar bear (Ursus maritimus) adult walking over newly formed pack ice during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA

Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub sliding on their backs over the pack ice, much like ice skating, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, USA

Steven Kazlowski / Polar bear (Ursus maritimus) underwater view swimming in a pool, Anchorage Zoo, Alaska, USA. No release available.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) in tree, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October. Endangered species.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) orphan baby hanging from washing line. El Mirador- Rio Azul National Park, Department of Peten, Guatemala.

Claudio Contreras / Green Turtle (Chelonia mydas) hatchling on its way to the sea, Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, August. Endangered species.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) juvenile, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October. Endangered species.

Oriol Alamany / Close up of skin on the ear and back of an African elephant (Loxodonta africana), Mopani, Kruger National Park, Transvaal, South Africa, September.

Oriol Alamany / African elephant (Loxodonta africana) rear view Kruger National Park, Transvaal, South Africa, September.

Oriol Alamany / African Elephant (Loxodonta africana) browsing, Kruger National Park, Transvaal, South Africa, September.

Jack Dykinga / The humpback chubs (Gila cypha) amid Grand Canyon wall reflections in the Colorado River near the confluence with the Little Colorado River. Arizona. Vulnerable species.

Mark Taylor / Forest fire at night with silhouetted trees, Yellowstone National Park, Wyoming, USA

Jeff Rotman / Common thresher shark (Alopias vulpinus) caught in gill net, observed by diver at night, Huatampo, Mexico, Gulf of California, Pacific Ocean. Model released. May 2008.

Jeff Rotman / Common Thresher Shark (Alopias vulpinus) caught in gill net, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean

Jeff Rotman / Common Thresher Shark (Alopias vulpinus) silhouette of one caught in gill net, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean

Jeff Rotman / Common Thresher Shark (Alopias vulpinus) silhouette of one caught in gill net, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean

Jeff Rotman / Common Thresher Shark (Alopias vulpinus) caught on gill net being hauled up onto boat, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean. Model released. Model released.

Jeff Rotman / Common thresher shark (Alopias vulpinus) severed fin being held up by gill net fisherman, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean Model released.

Alex Mustard / Basking shark (Cetorhinus maximus) rear view of shark feeding at the surface on plankton, Cairns Of Coll, Isle of Coll, Inner Hebrides, Scotland, UK, North East Atlantic Ocean, June

Alex Mustard / Basking shark (Cetorhinus maximus) feeding at the surface on plankton, Cairns Of Coll, Isle of Coll, Inner Hebrides, Scotland, UK, North East Atlantic Ocean, June

Alex Mustard / Whale shark (Rhincodon typus) silhouette of shark feeding on floating fish eggs (not visible) just below the surface in calm weather, with snorkeller taking photos nearby, Isla Mujeres, Quintana Roo,...

Alex Mustard / Whale shark (Rhincodon typus) feeding on fish eggs (visible as white blobs) at the surface in calm weather, with another whale behind. Isla Mujeres, Quintana Roo, Yucatan Peninsular, Mexico, Caribbean...

Alex Mustard / Whale shark (Rhincodon typus) silhouette, feeding on floating fish eggs (not visible) just below the surface in calm weather. Note the bow wave ahead of the shark. Isla Mujeres, Quintana Roo, Yucatan...

Andy Trowbridge / New Zealand Rock Wren (Xenicus gilviventris) pineapple shrub (Dracophyllum menziesii), Homer Tunnel, Fiordland National Park, South Island, New Zealand.

Andy Trowbridge / Yellow-eyed Penguins (Megadyptes antipodes) vocalising with chick. Endangered species. Katiki Point, Moeraki, Otago, New Zealand. January.

Andy Trowbridge / Yellow-eyed Penguin (Megadyptes antipodes) or Hoiho calling. Katiki Point, Moeraki, Otago, South Island, New Zealand. January. Endangered species

Paul D Stewart / 'Martha' the last passenger pigeon, (Ectopistes migratorius), who died Cincinnati Zoo, September 1st, 1914. This portrait of her published in March 1915 as the Frontispiece to William Hornaday's 'The...

Paul D Stewart / 1853 illustration of Gorilla, contemporary coloured copperplate engraving from 'Das Buch der Welt' John Weik, Stuttgart. The lowland Gorilla was first accurately described outside Africa by the missio...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years feeding on fruit, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 201...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years peering through vegetation, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Re...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years drinking in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. November 2011.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult male 'Kunga' aged 13 years drinking in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. November 2011.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged about 32 years scratching his head, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Rep...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years resting on a tree buttress, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Nove...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years feeding on sedge grasses in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. No...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile female 'Bokata' aged 6 years feeding on sedge grasses in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Nov...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' sitting with her playful infant 'Sopo' aged 18 months, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republi...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Tembo' aged 4 years feeding on fruit, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. November 2011.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Tembo' aged 4 years stripping the bark of a spiny branch to feed on the core, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Ce...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) rear view of dominant male Silverback 'Makumba' aged approx 32 years standing on a forest track, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on termites from a nest he has broken open, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Centra...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years feeding on sedge grasses in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Re...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Tembo' aged 4 years crossing a river in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 2011.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back crossing a river in Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Cent...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back feeding on sedge grasses in Bai Hokou, Dzanga Sangha Special Dense Forest Reser...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult male 'Kunga' aged 13 years head and shoulders portrait, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Dec...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult male 'Kunga' aged 13 years head and shoulders portrait, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Dec...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult male 'Kunga' aged 13 years looking at his hand, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. December 20...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on termites from a nest he has broken open, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Centra...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult male 'Kunga' aged 13 years head and shoulders portrait, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Dec...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Tembo' aged 4 years reaching into a hole in a tree for rotting wood to feed on, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve,...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' feeding on rotting wood from a hole in a tree, young gorilla nearby, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central Afr...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Malui' feeding on rotting wood from a hole in a tree, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decembe...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) female 'Mopambi' carrying her infant 'Sopo' aged 18 months on her back walking through Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years feeding on rotten wood from a tree while his juvenile son 'Tembo' aged 4 years waits his turn, Bai Ho...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) sub-adult female 'Mosoko' aged 8 years feeding on sedge grasses while juvenile male 'Mobangi' aged 5 years feeds on rotten wood in the background, Bai...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on rotting wood, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decembe...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years standing portrait, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. D...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on rotting wood, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decembe...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on rotting wood, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve, Central African Republic. Decembe...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years feeding on fruit while holding a piece of rotting wood which he will eat later, Bai Hokou, Dzanga Sangha Special...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years feeding on rotten wood from a tree while female 'Malui' and their juvenile son 'Tembo' aged 4 years s...