Paul D Stewart / Chromolithograph illustration of Cromagnon 'Skull of an old man' Plate 1, Section C. Edouard Lartet and Henry Christy. 'Reliquiae Aquitanicae' 1865-1875, Williams and Norgate, London 1875..

Roy Mangersnes / Female Polar bear (Ursus maritimus) and cub on coastal rocks near Whale skeleton, Spitsbergen, Svalbard, Norway, August

Steve Nicholls / Skeleton of a Python (Python sp)

Doc White / Skull of Japanese Sailor. Truk Lagoon, Chuuk islands, Federated States of Micronesia.

Jabruson / Human skulls of Tutsi victims, genocide memorial, Ntarama church, Nyamata, Rwanda

Neil Lucas / Sir David Attenborough next to Blue whale skeleton during filming for 'Life of Mammals', 2002. Santa Barbara, USA

Pedro Narra / Bottlenose dolphin (Tursiops truncatus) skeleton from 1890, Zoological Museum of Coimbra University, Portugal

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) cub walking on whale spine. Spitsbergen, Svalbard, August.

Jeff Wilson / Skeleton of dessicated Weddell Seal (Leptonychotes weddellii) alongside Lake Hoare, Dry Valleys, Antarctica, December 2009, Taken on location for the BBC series, Frozen Planet.

Tim Laman / Human skulls and other bones on the floor of a cave in Triton Bay. Note skull with a large hole in it from possible battle wound. Raja Ampat, West Papua, Indonesia, April 2007

Steven Kazlowski / Polar bear (Ursus maritimus) large male scavenging the carcass of a bowhead whale, Balaena mysticetus, in early autumn, Barter Island, 1002 area of the Arctic National Wildlife Refuge, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) cub scratching itself on jawbone of Bowhead whale (Balaena mysticetus) 1002 area of the Arctic National Wildlife Refuge, Alaska

Tim Laman / Mixed species whale bones on coast, Antarctica, January 2009

Tim Laman / Humpback whale (Megaptera novaeangliae) skeleton on coast, Antarctica, January 2009

Neil Lucas / Deer skeleton with antlers partically covered in snow, Minnesota, USA

Tui De Roy / Flightless Cormorant (Phalacrocorax harrisi) pair at nest with seastar skeletons, Galapagos Islands, Ecuador

Tui De Roy / Flightless Cormorant (Phalacrocorax harrisi) pair at nest with seastar skeletons, Galapagos Islands, Ecuador

Doug Allan / Polar bears (Ursus maritimus) scavenging on whale carcass, Kaktovik, Alaska, USA

Wild Wonders of Europe / Jensen / Barren ground caribou (Rangifer tarandus groenlandicus) carcass, Greenland, August 2009

Tony Phelps / Skull of Saltwater crocodile {Crocodylus porosus}

Wild Wonders of Europe / Damschen / Dunlin {Calidris alpina} walking past fish skeleton, Elbe Biosphere Reserve, Lower Saxony, Germany, September 2008

Steven Kazlowski / Arctic fox (Vulpes / Alopex lagopus) looking out from inside a Bowhead whale (Balaena mysticetus) carcass, 1002 area of the Arctic National Wildlife Refuge, Arctic coast, Alaska, October 2008

Steven Kazlowski / Two female Polar bears (Ursus maritimus) play with one another by a Bowhead whale (Balaena mysticetus) carcass Arctic National Wildlife Refuge, Arctic coast, Beaufort Sea, Alaska, October 2008

Mark Brownlow / Human skulls of tribesmen at burial site, Papua New Guinea, August 2007

Wild Wonders of Europe / Widstrand / Two wild European Grey Wolves (Canis lupus) feeding on carcass remains, Kuhmo, Finland, July 2008

Andy Rouse / Skeleton of Gentoo penguin (Pygoscelis papua) after being eaten by Skua, Falkland Islands (non-ex)

Steven David Miller / Seldom Seen, along the Snowy River Road, Victoria, Australia 2007. The last place heading north where one may buy fuel. The owner has an unusual collection of skeletal matter on display next to the pu...

Ian McCarthy / Lichen on whale bone, Ellesmere Island, Arctic, Canada

Steven David Miller / An exhibit of whale skeletons at Whale World, an old whaling station in Albany, Western Australia

Inaki Relanzon / Sperm whale (Physeter macrocephalus) skeleton in Husavik Whale Museum, Husavik, Iceland

Nick Upton / Collection of skulls of poached Rhinoceros, Swaziland, Southern Africa

Fabio Liverani / Whale skeleton, Fuerteventura, Canary Isles, Spain, September 2007

DOC WHITE / Blue whale (Balaennoptera musculus) skull

Nature Production / Foraminifera skeletons which make up a large proportion of the sand on Western pacific beaches in Japan

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

Juan Manuel Borrero / Skeleton of Glyptodonte, Pikillacta Museum, Peru 2006.

Phil Chapman / Enga 'Smoked bodies' of men under cliff Aseki, Papua New Guinea, 1991

Philippe Clement / Gemsbok (Oryx gazella gazella) skeleton with skull and horns, Kalahari Desert, Kgalagadi Transfrontier Park, South Africa

Konstantin Mikhailov / The skull of Tarbosaurus dinosaur from Upper Cretaceous period of Mongolia, Paleontological Institue RAN, Moscow, Russia

Konstantin Mikhailov / The skull of Tarbosaurus dinosaur from Upper Cretaceous period of Mongolia, Paleonotlogical Institue RAN, Moscow

Konstantin Mikhailov / Fossil skull of Hadrosaur dinosaur from Gobi desert, Ulan-Baator museum, Mongolia

Konstantin Mikhailov / Fossil of the pelvis of Dinosaur from Gobi desert, Mongolia, cretaceous period, Ulan-Baator museum

Pete Oxford / 4000 year old Valdivian Skeletons, ancient culture along Ecuadorian Coast, Valdivia, nr San Pedro, Ecuador.

Jabruson / Human skeletons of Tutsi victims, genocide memorial, Ntarama church, Nyamata, Rwanda

Jabruson / Human skulls of Tutsi victims, genocide memorial, Ntarama church, Nyamata, Rwanda

Mike Read / Contents of regurgitated Barn owl pellet {Tyto alba} UK. remains of woodmouse, vole, birds and short-tailed vole

Neil Lucas / Blue whale skeleton {Baleanoptera musculus} Santa Barbara, USA

Neil Lucas / Sir David Attenborough in Blue whale skeleton during filming for 'Life of Mammals', 2002

Neil Lucas / Blue whale skeleton {Baleanoptera musculus} Santa Barbara, USA 2002

Neil Lucas / Blue whale skeleton {Baleanoptera musculus} Santa Barbara, USA

Neil Lucas / Sir David Attenborough by Blue whale skeleton on location for 'Life of Mammals', 2002 Santa Barbara, USA

Staffan Widstrand / Mammoth skeleton from the permafrost of Kolyma, Siberia, Russia

Paul D Stewart / Illustartion of series of primate skeletons, the frontis engraving by Waterhouse Hawkins from the first edition of Huxley's 1863 'Evidences as to Man's Place in Nature'. In this book Huxley presented...

Paul D Stewart / Chromolithograph illustration of Cromagnon 'Skull of an old man' Plate 1, Section C. Edouard Lartet and Henry Christy. 'Reliquiae Aquitanicae' 1865-1875, Williams and Norgate, London 1875. The type sp...

Paul D Stewart / Skull of extinct lemur (Mesopropithecus dolichobrachion) with calcite surface crystalisation, discovered by the photographer in the Ankarana Caves of Northern Madagascar. Pictured on site in 1987, the...

Paul D Stewart / 1834 steel engraving with contemporary hand colouring, the earliest coloured reconstruction of extinct fossil animals. It is from Guerin's Dictionnaire pittoresque Vol 1. plate 24. Numbered it include...

Paul D Stewart / 1824 illustration 'On the Discovery of an almost perfect Skeleton of the Plesiosaurus' Transactions of the Geological Society, Second Series, Volume 1, page 381-390. This large folio plate is the firs...

Paul D Stewart / Illustrations of of Megalosaurus' femur, clavicle, fibula and metatarsals drawn by Mary Moreland, 1824, from William Buckland's 'Notice on the Megalosaurus or great Fossil Lizard of Stonesfield'^^^. T...

Paul D Stewart / Illustration of Ichthyosaur skeleton, copper fold-out engraving at life size, (2.5cm ammonite top right for scale). It comes from a paper by Sir Everard Home in 1819. He was the first geologist to pub...

Paul D Stewart / 'Grand Mastodon' engraving in Cuvier's 'Ossamens Fossiles' (1812). Mammut americanum is a late pliocene/pleistocene relative of the elephants whose fossils are found only in North America. First disco...

Paul D Stewart / Illustration of skeleton of a hippopotamus, (Hippopotamus amphibius) skelton, copperplate engraving from Cuvier's 'Ossamens Fossiles'. Cuvier saw that the key to understanding fossils was to relate th...

Paul D Stewart / Elephant skeleton engraving in Cuvier's 'Ossamens Fossiles' (1812). Cuvier, the master of comparative anatomy, referenced modern species with extinct fossils to reveal their affinities and differences...

Paul D Stewart / 1731 Physica Sacra (Sacred Physics) by Johann Scheuchzer (1672-1733). Creation of Man from Dust (Homo ex humo) folio copper engraving with later hand colouring drawn by a team of engravers under the d...

Onne van der Wal / A skeleton lying in the dirt in El Cardonal on Isla La Partida, Mexico. 2006.

Onne van der Wal / Antlers, bear skull, walrus skull and other skeleton remains of Arctic animals laid out on board a boat, Spitsbergen, Svalbard, Norway.

Onne van der Wal / Yacht crew carrying a bear rifle and looking at the remains of a whale skeleton at an old whaling station in Spitsbergen, Svalbard, Norway, 1998.

Onne van der Wal / Antlers, bear skull, walrus skull and other skeleton remains of Arctic animals found while exploring, aboard "Shaman" in Spitsbergen, Svalbard, Norway 1998.

Roberto Rinaldi / Fin whale skeletons at Port Lockroy, Antarctic Peninsula.

Martin Camm / Carwardine / Illustration of Steller's Sea Cow (Hydrodamalis gigas), Dugongidae, skull. An extinct sirenian mammal formerly found near the Asiatic coast of the Bering Sea. Hunted to extinction by 1768 (Wildlife Ar...

Martin Camm / Carwardine / Illustration of Sperm Whale (Physeter macrocephalus) skeleton in profile. Threatened / endangered species (Wildlife Art Company).

Martin Camm / Carwardine / Illustration of Common dolphin (Delphinus delphus), skeleton showing residual hip bones (Wildlife Art Company).

Onne van der Wal / Polar bear (Ursus maritimus) skull on yacht "Shaman". Spitsbergen, Svalbard, Norway, 1998.

Roberto Rinaldi / Turtle skeleton in turtle tomb cave. Many turtles swim into the cave, cannot find their way out and drown. Sipadan, Borneo, Malaysia.

Roberto Rinaldi / Fin whale skeleton at Port Lockroy, Antarctic Peninsula.

Roberto Rinaldi / Fin whale skeleton at Port Lockroy, Antarctic Peninsula.

Jabruson / Remains of Hippopotami (hippopotamus amphibius) after a mass killing for meat and tusks in the Rwindi sector of Virunga National Park, Congo