Solvin Zankl / Portrait of Great diving beetle (Dytiscus marginalis) larva with jaws, Germany

S. Zankl / Larval Great diving beetle (Dytiscus marginalis) with juvenile newt prey in jaws, Germany

S. Zankl / Great diving beetle (Dytiscus marginalis) larva crushing juvenile newt prey in jaws, Germany

Piotr Naskrecki / Safari Ant (Dorylus sp) soldier with jaws open in defensive display, Guinea

Peter Scoones / Spectacled caiman underwater reflection (Caiman crocodilus) Pantanal, Brazil photographed during making of BBC Planet Earth series 2005

Peter Scoones / Spectacled caiman underwater reflection (Caiman crocodilus) Pantanal, Brazil photographed during making of BBC Planet Earth series 2005

LYNN M. STONE / American crocodile with jaws wide open {Crocodylus acutus} Florida, USA

Suzi Eszterhas / Hippopotamus with mouth wide open {Hippopotamus amphibius} Masai Mara Reserve, Kenya Not available for ringtone/wallpaper use.

Neil Lucas / Driver Ant {Dorylus nigricans} close-up of head with antennae and jaws.

Doug Perrine / Divers at sunken airplane (used in filming Jaws IV) Nassau, Bahamas

Anup Shah / Spotted hyaena {Crocuta crocuta} carrying a hind leg in its jaws. Masai Mara, Kenya.

Anup Shah / Spotted hyaena {Crocuta crocuta} running with dead gazelle in jaws. Kenya.

Anup Shah / African lion {Panthera leo} with dead Spotted hyaena {Crocuta crocuta} in jaws. Kenya

Kim Taylor / Egg eating snake swallowing egg, Sequence 2/8 {Dasypeltis scabra} Africa

Barry Mansell / Leafcutter ant {Atta sp} Sonora, Mexico

DOC WHITE / Close up of tooth of Great white shark {Carcharodon carcharias}

Kim Taylor / Bulldog ant worker {Myrmecia sp} showing large jaws, Western Australia.

Kim Taylor / Bulldog ant worker {Myrmecia sp} showing large jaws, Western Australia.

Kim Taylor / Bulldog ant worker {Myrmecia sp} showing large jaws, Western Australia.

Kim Taylor / Termite (Mastotermes sp) soldier head showing curved scissor-like jaws, Australia.

Jane Burton / Ant Lion (Morter obscurus) larva showing jaws for capturing prey. Kenya, captive

Solvin Zankl / Longhorn beetle portrait {Cerambycidae} Sulawesi, Indonesia

Martin Dohrn / African driver / Siafu / Safari ant in defensive/aggressive posture {Dorylus / Anomma species}

Martin Dohrn / African driver ant / Siafu / Safari ant in defensive posture {Dorylus / Anomma species}

Martin Dohrn / African driver / Siafu / Safari ant in defensive pose {Dorylus / Anomma species}

Martin Dohrn / African driver / Siafu / Safari ant biting {Dorylus/ Anomma species). Species is non-stinging, but jaws can tear human flesh. East Africa. Blind

Martin Dohrn / Bulldog ant close up portrait. Jaws used for grip to assist powerful sting {Myrmecia sp.} Australia

PREMAPHOTOS / Female Nomad bee hangs asleep by jaws (Nomada fabriciana) UK.

Pete Oxford / Emerald Tree Boa (Corallus caninus) showing independent mobility of four jaws, Amazon, Ecuador

Mark Moffett / Leafcutter Ant (Atta cephalotes) worker carries leaf with its jaws full, workers carrying leaves must rely on a special cast of smaller ants riding on the leaves to defend against Phorid fly attack, F...

Claus Meyer / Jacare Caiman (Caiman yacare) resting in shallow water, thermoregulating by opening jaws, Pantanal ecosystem, Brazil

Mark Moffett / Leafcutter Ant (Atta sp) with their jaws full, ants carrying leaves must rely on others for defense against attack, a smaller ants ride on the leaf driving away attackers, Salto Morato Reserve, Atlant...

Matthias Breiter / Red Fox (Vulpes vulpes) running with hare leg in jaws, Churchill, Manitoba, Canada

Konrad Wothe / Jacare Caiman (Caiman yacare) thermoregulating by opening jaws, Pantanal, Brazil

Mark Moffett / Antler-jawed Ant (Myrmoteras sp) kills prey with special trap jaws which can open 280 degrees and spear prey with pitch-fork tips, Malaysia

Mark Moffett / Leafcutter Ant (Atta sexdens) soldier, close-up, the largest worker in many leafcutter colonies specialize in defense, their enlarged heads contain massive adductor muscles to work their powerful jaws...

Mark Moffett / Tiger Beetle (Cosmodela aurulenta) face showing jaws spread wide, Tam Dao National Park, Vietnam

Mark Moffett / Kerengga Ant-like Jumper (Myrmarachne plataleoides) males fight showing elongated jaws ending in fangs which are usually sheathed, Sri Lanka

Mark Moffett / Kerengga Ant-like Jumper (Myrmarachne plataleoides) male in fighting posture showing elongated jaws ending in fangs which are usually sheathed, Sri Lanka

Mark Moffett / Kerengga Ant-like Jumper (Myrmarachne plataleoides) males fight showing elongated jaws ending in fangs which are usually sheathed, Sri Lanka

Mark Moffett / Kerengga Ant-like Jumper (Myrmarachne plataleoides) portrait showing snout-like jaws which hide fangs, Sri Lanka

Mark Moffett / Ant-mimicking Jumping Spider (Myrmarachne sp) pair mating, male on the right with long nose which encases fanged jaws for fighting, Sri Lanka

Mark Moffett / Staghorn Beetle (Cyclommatus pulchellus) showing large jaws, Wau, Papua New Guinea

Mark Moffett / Trap-jaw Ant (Acanthognathus teledectus) grasps springtail in jaws and thrusts her abdomen forward and injects victim with stinger, Costa Rica

Mark Moffett / Marauder Ant (Pheidologeton diversus) rearing up with open jaws in threat posture, guarding the trunk trail, southern India

Juergen Freund / Whale shark towed back to land while still alive. Pamilacan, Bohol, Philippines. 1997

Juergen Freund / Whale shark hunter cuts holes in jaws of Whale shark, rope tied through holes to tow fish to land while still alive. Pamilacan, Bohol, Philippines. 1997

Juergen Freund / Whale shark jaws dry on poles. (Rhincodon typus) Philippines.

Pete Oxford / Removing jaws and fins from Tiger shark for commercial sale. Zanzibar, Tanzania

Richard Du Toit / Hippopotamus with calf {Hippopotamus amphibius} Chobe NP, Botswana

Tony Heald / Nile crocodile head portrait jaws open {Crocodylus niloticus} Chobe NP Botswana

Doug Perrine / Great white shark jawing at surface {Carcharodon carcharias} South Africa (Non-ex).

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

David Shale / Deep sea fish {Aristostomias sp} with lure, Atlantic Ocean

Pete Oxford / Jaws and fins of a 10-foot-long Tiger shark {Galeocerdo cuvieri} hanging out to dry, Poivpe Island, Seychelles.

LYNN M. STONE / American Crocodile with open jaws, Florida, USA. Captive.

Juergen Freund / Jaw of tiger shark drying Pamilacan Island, Philippines

Tony Heald / African rock python with jaws open showing fangs {Python sebae} Chobe NP, Botswana

Hermann Brehm / Spectacled caiman carrying pirranha fish prey in jaws, Llanos del Orinoco, Venezuela, {Caiman crocodilus}

Constantinos Petrinos / Bobbit worm {Eunice sp} large predatory polychaete Anilao, Batangas, Philippines

Anup Shah / Nile crocodile jaw closed {Crocodylus niloticus} C Kenya

Anup Shah / Nile crocodile jaw open {Crocodylus niloticus} Kenya

Paul D Stewart / Illustrations of Hyena (Crocuta sp.) jaw bones, 1823 copper engraving of a modern hyena (top) and British prehistoric hyena jawbones (below) from Kirkdale cave (below) with an actual cave hyena (Crocu...

Paul D Stewart / Copperplate engraving of mythical hydra with hand colouring by J. Chapman 1806 after engraving by Seba in his 'Treasury of Natural History' (1734). In 1735 a young Linnaeus visited Hamburg. While ther...

Premaphotos / Green tiger beetle (Cicindela campestris) larva extracted from its burrow to show its large head and jaws, UK

Premaphotos / Green tiger beetle (Cicindela campestris) male holding female in his jaws while she lays her eggs (mate guarding), UK

Premaphotos / Tiger beetle (Cicindela aurulenta) on riverside gravel in rainforest, showing its large jaws, Malaysia

Premaphotos / Tiger beetle (Cicindela aurulenta) on riverside gravel in rainforest, male gripping the female's coupling sulcus in his jaws during mating, Malaysia

Premaphotos / Mosquito (Wyeomyia sp.) sipping honeydew, collected from bugs and held in the jaws of the Ant (Ectatomma tuberculatum) in rainforest, Trinidad

Premaphotos / Stag beetle (Dorcus occipitalis) male on a fern frond in rainforest, Malaysia

Premaphotos / Ant (Ectatomma tuberculatum) with nectar in its jaws gathered from plant extrafloral nectaries, in rainforest, Brazil

Premaphotos / Green tree / Weaver ants (Oecophylla smaragdina) holding two leaves together with their jaws; an ant inside uses a larva to produce silk to join the leaf edges together to form the nest, in rainforest...

Premaphotos / Woolcarder bee (Anthidium manicatum) female using her jaws to cut and tear away a ball of hairs from {Stachys lanata} leaf to build her nest, UK

Premaphotos / Green tree / Weaver ant (Oecophylla smaragdina) workers co-operating to hold two leaves together with their jaws ; another ant inside uses a larva to produce silk to join the edges of the leaves toget...

Premaphotos / Huntsman spider (Holconia / Isopoda sp) in defensive posture with jaws open wide, in her nest in a leaf in rainforest, Malaysia

Premaphotos / Communal sphecid wasp (Trigonopsis sp) with a stung cricket in it jaws which is about to be placed in the mud nest-cell, in Amazonian rainforest, Brazil

Premaphotos / Wedding present / or Nursery-web spider (Pisaura mirabilis) female holding her egg-sac in her jaws, UK

Premaphotos / Common long-jawed orb weaver spider (Tetragnatha extensa), mating pair showing how the male (lower) locks the female's jaws with his own jaws, UK

Premaphotos / Common long-jawed orb weaver spider (Tetragnatha extensa), mating pair showing how the male (lower) locks the female's jaws with his own jaws, UK

Premaphotos / Spear-jawed jumping spider (Myrmarachne plataleoides) male mimicking an {Oecophylla smaragdina} weaver ant, Nepal

Duncan Mcewan / Golden ringed dragonfly larva {Cordulegaster boltonii} feeding on tadpole, underwater.

Pete Oxford / Emerald Tree Boa (Corallus caninus) showing the independent mobility four jaws, Amazon, Ecuador

David Welling / Western diamondback rattlesnake {Crotalus atrox} eating Green jay. Texas USA

LYNN M. STONE / Columbian Red-tailed boa constrictor eating rat captive {Constrictor constrictor}