Anup Shah / Slender mongoose {Herpestes sanguineus} standing guard next to carcass of mammal kill, Masai Mara GR, Kenya

Anup Shah / African lion {Panthera leo} cub feeding remnants of meat on Zebra skull, Masai Mara GR, Kenya

Pete Oxford / Regurgitated bones of mammals from Harpy eagle nest (Harpia harpyja) Ecuador

Paul Hobson / Black Bear {Ursus americanus} adult male eating bones on shore, Canada

Michael Hutchinson / White rhinoceros (Ceratotherium simum) Back of skull of a poached rhinoceros showing bullet hole. Green ring around bullet hole is oxidation of bullet metal. This rhino was poached in 2002 or 2003 on...

Michael Hutchinson / White rhinoceros (Ceratotherium simum) underside of skull of poached rhino showing teeth of upper jaw, Kenya

Michael Hutchinson / Pile of White rhinoceros (Ceratotherium simum) and Black rhinoceros (Diceros bicornis) skulls from poached rhinos collected by rangers on a private reserve to avoid re-counting poached carcasses more...

Michael Hutchinson / Pile of White rhinoceros (Ceratotherium simum) and Black rhinoceros (Diceros bicornis) skulls from poached rhinos collected by rangers on a private reserve to avoid re-counting poached carcasses more...

Jane Burton / X-ray photograph showing fractured femur of Border Collie, broken in an accident.

Jane Burton / X-ray showing femur of Border Collie with steel pin inserted to set fracture

Jabruson / Game warden with skull of poached Bongo antelope {Tragelaphus euryceros} Mboko Park Station, Odzala NP, Rep of Congo

Jabruson / Warden holds skull of Western lowland gorilla {Gorilla gorilla gorilla} female killed by disease, Mbomo Park HQ, Odzala NP, NW Rep of Congo

Jane Burton / Two Golden Retriever pups lying down next to large marrow bone.

Anup Shah / Remains of African elephant {Loxodonta africana} dry season, Katavi NP, Tanzania

Juan Manuel Borrero / Skull of Tapir {Tapirus sp} held by forest warden, Tambopata National Reserve, Peru 2006.

Steven David Miller / Male Great grey bowerbird {Chlamydera nuchalis} standing in front of bower, in garden, Lake Argyle, Western Australia - Sticks, bones, glass, berries and leaves make up the treasures in this bower

Jane Burton / Twelve-week-old Yellow Labrador pup, crying away from Lakeland Terrier x Border Collie guarding food

Philippe Clement / Detail of goat's skull (Capra hircus) showing join with horn, Spain

Kerstin Hinze / X-ray of eggs inside female Red-eared Slider turtle (Pseudemys scripta elegans) who has become egg-bound as a consequence of insufficient laying conditions

Konstantin Mikhailov / Skull and horns of the tur (goat) in Boduki valley, Teberdinskiy Zapovednik Reserve, Caucasus mountains, Karacheyevo Cherkessiya, Russia. Many turs are killed during avalanches in February and March,...

Konstantin Mikhailov / Skull and horns of the tur (goat) in Boduki valley, Teberdinskiy Zapovednik Reserve, Caucasus mountains, Karacheyevo Cherkessiya, Russia. Many turs are killed during avalanches in February and March,...

Konstantin Mikhailov / Fossil of skull of small Cretaceous lizard, Gobi desert, Mongolia

David Shale / Skulls of poached Black rhinoceros {Diceros bicornis} in rows, Mkhaya, Swaziland

Juergen Freund / Neckbone of Dugong (Dugong dugong) used in Palau as bracelet for clan chiefs, Palau, Micronesia

SIMON KING / Young Indian elephant {Elephas maximus} investigating old skull bones of dead elephant, Sri Lanka

Jabruson / Lower jaw bones of poached African elephants {Loxodonta africana} Odzala NP, Republic of Congo

Doug Perrine / Fisherman with backbone of dolphin, Barrouallie, St Vincent, St Vincent and the Grenadines, Caribbean. Dolphin would have been harpooned from boat.

Peter Blackwell / Cheetah skull {Acinonyx jubatus} Kenya

Dave Watts / Thylacine / Tasmanian tiger / Tasmanian wolf skull {Thylacinus cynocephalus} Tasmania, Australia

Nick Garbutt / Sub-fossil skull of extinct lemur (possibly Palaeopropithecus sp.) lying partially embedded in limestone in cave, Anjajavy NW Madagascar.

George Chan / Skeleton on Makgadikgadi saltpans, Botswana

Toby Sinclair / Unknown marine mammal fossil, Rann of Kutch, Gujarat, India

Kevin J Keatley / Barn owl pellets in old nest site {Tyto alba} small rodent bones visible in pellets, UK

John Cancalosi / Fossil turtle from Eocene period {Chelydridae}

Jessie Lane / Whale bones washed up at Godthill Harbour coast, old whaling post, South Georgia

Jabruson / Bohor reedbuck skeletal remains {Redunca redunca} Lake Nakuru NP, Kenya

Pete Oxford / Cape fur seal meat and bones sun dried for cattle feed, Cape cross, Skeleton coast, Namibia 1998

Niall Benvie / Red squirrel skull {Sciurus vulgaris} Scotland, UK

Mike Wilkes / Spotted Hyaena {Crocuta crocuta} feeding on Zebra carcass with Vultures in background, Serengeti NP, Tanzania

Pete Oxford / Hippopotamus skull (Hippopotamus amphibius) Botswana, Africa.

Vivek Menon / Tiger {Panthera tigris} skull and bones taken from illegal trade, India

Pete Oxford / Skeleton of extinct Lemur {Megaladapis edwardsii} Tsimbazaza Museum, Madagascar

Vivek Menon / Tiger {Panthera tigris} bones and skulls from illegal wildlife trade, India

Vivek Menon / Tiger skin, skull and bones {Panthera tigris} illegal trade, India

Richard Du Toit / African elephant {Loxodonta africana}, fondling bones of dead elephant, South Africa

Elio Della Ferrera / Common shrew bones {Sorex arabeus} found in pellet of Eurasian pygmy owl {Glaucidium passerinum}

Staffan Widstrand / Grey whale skull {Eschrichtius robustus} Siberia, Russia

Steven Fuller / Charred bones of animal killed in forest fire, Yellowstone NP, Wyoming, USA. 1989

Jabruson / Skeletal remains of African buffalo {Syncerus caffer} Tsavo NP, Kenya

John Cancalosi / Fossil skull of a lagomorph {Paleolagus haydeni} New York, USA

Staffan Widstrand / Whalebone alley, Ittygran Island, Chukotka, Russia skeletal remains of whales that were once hunted in the area

Pete Oxford / Oryx skeleton on sand dune. Skeleton coast, Namibia.

Nick Garbutt / Skull of extinct giant lemur (sp unknown) caves at Anjajvy, NW Madagascar

Patricio Robles Gil / Man holds Lowland gorilla skull {Gorilla gorilla gorilla) Gabon

Philippe Clement / Gemsbok (Oryx gazella gazella) carcass in Kalahari desert showing skull with horns and skeleton, Kgalagadi NP, South Africa

Tony Phelps / Skull of Pygmy Hippo {Choeropsis / Hexaprotodon liberiensis} South Africa

Philippe Clement / Brown bear droppings {Ursus arctos} showing berries and fish bones, Kodiak Is, Alaska, USA.

Pete Oxford / Harpy eagle (Harpia harpyja) female brings large twig to line nest, probably to cover old bones and carcasses. Aguarico river drainage system. Amazon Rain Forest, Ecuador. Critically endangered

Pete Oxford / Harpy eagle (Harpia harpyja) female brings large twig to line nest,probably to bury old bones and carcasses. Aguarico river drainage system. Amazon Rainforest, Ecuador. Critically endangered

Philippe Clement / Tawny owl pellet {Strix aluco} showing remains of mouse skeleton, Belgium

Philippe Clement / Tawny owl pellet {Strix aluco} showing remains of mouse skeleton, Belgium

Bengt Lundberg / European black vultures (Aegypius monachus) feeding on bones, Cabaneros, Spain

Bernard Castelein / Roe deer {Capreolus capreolus} antlers attached to skull, France.

John Cancalosi / Bones from ossary of Bearded vulture {Gypaetus barbatus} Spain

John Cancalosi / Bearded vulture {Gypaetus barbatus} scavenging dead sheep, specialist bone feeder, Spain

John Cancalosi / Bearded vulture (Bearded vulture) {Gypaetus barbatus}, specialist feeding on bone, Spain

John Cancalosi / Bearded vulture {Gypaetus barbatus}, specialist bone feeder, Spain

Igor Shpilenok / Saiga {Saiga tatarica} antelope skull in sand Cherniye Zemly Zapovednik Russia.

Igor Shpilenok / Saiga {Saiga tatarica} antelope skull in sand, Cherniye Zemly Zapovednik Russia.

Daniel Gomez / Pirarucu {Arapaima gigas} bones and tails after filleting. Para State, Brazil.

Pete Oxford / Animal products / artifacts for sale Lago Agrio, Amazonia, Ecuador

Staffan Widstrand / Ruppells griffon vultures feed on carcass {Gyps rueppellii} Kenya

Pete Oxford / Whale vertebrae, Whale bone alley, Yttygran Is, off Chukotka, E Siberia, Russia

Pete Oxford / Jawbone of Bowhead whale, Whale bone alley, Yttygran Is, off Chukotka, E Siberia, Russia

Gabriel Rojo / Skull of La Plata river dolphin, Argentina {Pontoporia blainvillei}

Jabruson / Warden with Nile crocodile jaw bitten off by Hippo, Garamba NP, DR Congo

Anup Shah / Spotted hyaenas wallowing in water and feeding on prey, Serengeti NP, Tanzania {Crocuta crocuta}

Anup Shah / Spotted hyaenas wallowing in water and feeding on prey, Serengeti NP, Tanzania {Crocuta crocuta}

Philippe Clement / Chacma baboon baby baboon killed by dominant male for protein Kruger NP S Africa

Philippe Clement / Spotted hyaenas {Crocuta crocuta} feeding on buffalo carcass Kruger NP S Africa

Konrad Wothe / Barn Owl (Tyto alba) owl pellets made of regurgitated bones and fur, Germany

Jim Brandenburg / Timber Wolf (Canis lupus) pups playing with bones, Minnesota

Norbert Wu / Slender Hatchetfish (Argyropelecus affinis) cleared and stained to show bones (Red) and cartilage (Blue) deep sea

Norbert Wu / Fangtooth (Anoplogaster cornuta) cleared and stained to show bones (Red) and cartilage (Blue) deep sea

Norbert Wu / Slender Hatchetfish (Argyropelecus affinis) cleared and stained to show bones (Red) and cartilage (Blue) deep sea

Jim Brandenburg / Timber Wolf (Canis lupus) pups playing with bones, Minnesota

Juergen Freund / Whale shark jaw hung out to dry on beach. Pamilacan, Bohol, Philippines.

Juergen Freund / Unwanted Whale shark parts are dumped at sea Pamilacan, Bohol, Philippines. 1997

Jean E. Roche / Pool frog {Rana lessonaie} skeleton bones R, meridionalis

Elizabeth White / Cuttlefish bones on high tide mark {Sepioidea} Coral Bay, Western Australia

Jeff Rotman / Upper jaw + teeth of 6m Great White Shark (Carcharodon carcharias) Natal, South Africa Model released.

Xi Zhinong / Tibetan antelope head & skulls {Pantholops hodgsonii} Uygur, China - hunted for shatoosh fur

Constantinos Petrinos / Humpback whale skeleton, Seal Bay, Kangaroo Island. Australia

Vivek Menon / Tiger leg bones - valued for medicinal purposes in Asia. Wildlife trade India

Vivek Menon / Tiger skull and bones. Confiscated from illegal trade. {Panthera tigris} India

DOC WHITE / Jaws of Great white shark {Carcharodon carcharias}