Anup Shah / Nile crocodile holding newly hatched young in mouth {Crocodylus niloticus} Kenya

David Fleetham / Jaws and teeth of Stout Moray (Gymnothorax eurostus). Hawaii.

David Fleetham / Mouth of the worlds largest fish, the Whale shark (Rhincodon typus), Donsol, Philippines.

David Fleetham / White mouthed moray eel (Gymnothorax meleagris), Hawaii.

David Fleetham / Pair of Yellow edged moray eels (Gymnothorax flavimarginatus) in coral crevice, Hawaii.

David Fleetham / Great white shark (Carcharodon carcharias), portrait. Guadalupe Island, Mexico.

Claudio Contreras / American crocodile (Crocodylus acutus) split level with animal resting at surface in shallow water over seagrass bed, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Claudio Contreras / American crocodile (Crocodylus acutus) resting just above seagrass underwater, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Claudio Contreras / American crocodile (Crocodylus acutus) extreme close up with jaws open, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

David Tipling / Nightingale (Luscinia megarhynchos) singing, Camargue Provence France May

Ingo Arndt / American Alligator (Alligator mississippiensis) split level, Everglades, USA, January.

Carol Walker / Two white Camargue horses in ocean of Camargue, France, Europe. May.

David Pattyn / European flamingo (Phoenicopterus roseus) bathing Camargue, France, May.

Jeff Vanuga / White horses of the Camargue galloping through marshes in the Camargue, France. April.

Jeff Vanuga / White horse of the Camargue galloping through marshes in the Camargue, France. April.

Jeff Vanuga / White horses of the Camargue galloping through marshes in the Camargue, France. April.

Jean E. Roche / Aerial view of Salin de Giraud, Camargue, France, July.

Jean E. Roche / Aerial view of Salin de Giraud, Camargue, France, July.

Markus Varesvuo / Herring Gull (Larus argentatus) calling, Lokka, Finland, May

Markus Varesvuo / Herring Gull (Larus argentatus) calling, Lokka, Finland, May

Floris van Breugel / Zebra Slot Canyon, Escalante National Monument, Utah, USA, November 2010.

Jeff Vanuga / Guardian riding Camargue horse through water at sunrise, Camargue, Bouches du Rhone, France, May 2013.

Jean E. Roche / Stormy seas washing on the shore of Camargue, France, October 2012.

Jean E. Roche / Salt pans with high salt concentration. Salin de Giraud, Camargue, France, June 2013.

Jean E. Roche / Giant mirror in the shape of a woman emerging from river, a public sculpture by Rob Mullholland, Port Saint Louis du Rhone, Camargue, France, May 2013. Editorial Use only. Credit Jean Roche / Le Citro...

Jean E. Roche / Woman looking into giant 'funhouse' mirror in forest, public sculpture by Rob Mullholland, Port saint Louis du Rhone, Camargue, France, May 2013. Editorial Use only. Credit Jean Roche / Le Citron Jaun...

Jean E. Roche / Group of bullfighters in European Bullfighting Championship 2012, Arenes d'Arles, Camargue, France, September 2012.

Jean E. Roche / Man leaping over bull in European Bullfighting Championship 2012, Arenes d'Arles, Camargue, France, September 2012.

Jean E. Roche / Vegetable marrows, Cidamos Garden, Alpilles, France, October.

Jean E. Roche / Wind blowing sand across beach, causing delta patterns, Piemanson, Camargue, France, October.

Jean E. Roche / Salt pans with high salt concentration. Salin de Giraud, Camargue, France, June 2013.

Jean E. Roche / Herd of Camargue bulls, Camargue, France, May.

Jean E. Roche / Flooded petrol station in Arles city flooded by the Rhone in December 2003. Camargue, France.

Jean E. Roche / Flooded cars in scrapyard in Arles city flooded by the Rhone in December 2003. Camargue, France.

Jean E. Roche / Firework in Arles over the Rhone, Camargue, France, July 2012.

Jean E. Roche / Bull run, with Camargue bulls leaping over hay bales, Camargue, France, July 2012.

Jean E. Roche / Beaver (Castor fiber) on beach, Camargue, France, November.

Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) young bear in freezing water during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, Beaufort Sea

Loic Poidevin / Grizzly bear (Ursus arctos horribilis) salmon fishing in river rapids, Katmai National Park, Alaska, USA

Loic Poidevin / Grizzly bear (Ursus arctos horribilis) salmon fishing in river rapids, Katmai National Park, Alaska, USA

Claudio Contreras / Mexican / Brown Vine Snake (Oxybelis aeneus) with mouth open. Maria Madre Island, Islas Marias Biosphere Reserve, Sea of Cortez (Gulf of California), Mexico, June.

Erlend Haarberg / Norway lemming (Lemmus lemmus) calling on spring snow, Vauldalen, Norway, May

Richard Du Toit / Springbok ram calling (Antidorcas marsupialis) Kalahari, South Africa, January

Jeff Rotman / Close up of mouth and teeth of Red Sea needlefish (Tylosurus choram) Red Sea, Egypt

John Cancalosi / Portrait of a male Snapping Turtle (Chelydra serpentina) New York, USA, May.

Juergen Freund / Orange cup coral (Tubastrea faulkneri) with polyps open, Batangas, Philippines.

Juergen Freund / Orange cup coral (Tubastrea faulkneri) detail of mouth and tentacles, Batangas, Philippines.

Diane McAllister / Wild stallion (Equus caballus) lying down in the sagebrush and yawning. The foothills south of Reno, Nevada, USA, May.

Juergen Freund / Yellow ribbon eel / Ribbon moray eel (Rhinomuraena quaesita). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Yellow ribbon eel / Ribbon moray eel (Rhinomuraena quaesita). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Blue ribbon eel / Ribbon moray eel (Rhinomuraena quaesita). Lembeh Strait, North Sulawesi, Indonesia.

Sergey Gorshkov / Migrating Salmon (Salmonidae) Lake Kuril, Kamchatka, Far East Russia, August

Orsolya Haarberg / Eurasian beaver (Castor fiber) sniffing, Telemark, Norway, June

Georgette Douwma / White banded/ Scarlet cleaner shrimp (Lysmata amboinensis) on Coral hind (Cephalopholis miniata) Rinca, Komodo National Park, Indonesia, October

Anup Shah / Nile crocodile (Crocodylus niloticus) attacking a Thomson's gazelle (Eudorcas thomsonii) as it crosses the Mara River. Masai Mara National Reserve, Kenya, October 2009

Anup Shah / Nile crocodile (Crocodylus niloticus) attacking a Thomson's gazelle (Eudorcas thomsonii) as it crosses the Mara River. Masai Mara National Reserve, Kenya, October 2009

Anup Shah / Nile crocodile (Crocodylus niloticus) attacking a Wildebeest (Connochaetes taurinus) as it crosses the Mara River. Masai Mara National Reserve, Kenya, October 2009

Edwin Giesbers / Orang utan (Pongo pygmaeus) baby hanging from trees, and chewing on fingers, Semengoh Nature reserve, Sarawak, Borneo, Malaysia, Endangered

Alex Mustard / Great white shark (Carcharodon carcharias) portrait, Guadalupe Island, Mexico, Pacific Ocean.

Michael D. Kern / Gila monster (Heloderma suspectum) captive, from USA

Michel Roggo / Sockeye / Red Salmon (Oncorhynchus nerka) pair spawning on gravel ground, Adams river, British Columbia, Canada, 1990

Rolf Nussbaumer / Texas Rat Snake (Elaphe obsoleta lindheimeri) with mouth open in defense posture, Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) with jaws wide open, Kruger National Park, South Africa

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) expelling air and water from mouth through baleen plates after engulfing part of a baitball of Sardines, Sardinops sagax, off Baja California, Mexico (Easte...

Doug Perrine / Salmon shark (Lamna ditropis) Port Fidalgo, Prince William Sound, Alaska, USA

Jeff Rotman / Close up of Goggle eye / Bigeye fish (Priacanthus hamrur) Red Sea, Egypt

Piper Mackay / Head portrait of Coyote (Canis latrans) yawning, Bolsa Chica wetlands, Huntington Beach, California, USA

Wild Wonders of Europe / Möllers / Red deer (Cervus elaphus) stag calling during rut, Klampenborg Dyrehaven, Denmark, September 2008. WWE BOOK. WWE OUTDOOR EXHIBITION.PRESS IMAGE.

Wild Wonders of Europe / Cairns / European brown bear (Ursos arctos) backlit by sun, Kuhmo, Finland, July 2009 WWE BOOK

Doug Perrine / Salmon shark {Lamna ditropis} captive, with salmon in mouth (eyes are rolled back for protection), Prince William Sound, Alaska, USA, (digitally modified)

Doug Perrine / Close up of teeth and mouth of Salmon shark {Lamna ditropis} captive, Prince William Sound, Alaska, USA (digitally edited)

Claudio Contreras / Balloon fish (Diodon holocanthus) with defensive spines, Puerto Morelos National Park, Caribbean Sea, Mexico, January

Andy Rouse / Nile crocodile (Crocodylus niloticus) chasing Wildebeest (Connochaetes taurinus) during migration crossing, Masai Mara, Kenya, Africa

Wild Wonders of Europe / Bergman / Gyrfalcon (Falco rusticolus) juvenile calling, Thingeyjarsyslur, Iceland, July 2009

Eric Baccega / Grizzly bear (Ursus arctos horribilis) feeding on Salmon in Brooks river, Katmai National Park, Alaska, USA, July

Wild Wonders of Europe / Widstrand / Greater black backed gull (Larus marinus) swallowing large fish, North Atlantic, Flatanger, Nord-Trndelag, Norway, August 2008

Wild Wonders of Europe / Falklind / Brown trout (Salmo trutta) hunting, mouth wide open around Mayfly (Ephemera Danica) Dala river, Gtene, Vstra Gtaland, Sweden, May 2009 Wild Wonders kids book.

Wild Wonders of Europe / Lundgre / Plumose sea anemone (Metridium senile) close-up, Lofoten, Norway, November 2008 WWE BOOK. WWE INDOOR EXHIBITION Wild Wonders kids book.

Wild Wonders of Europe / Lundgren / Monkfish / Allmouth (Lophius piscotorius) close-up of face, Lofoten, Norway, November 2008

Wild Wonders of Europe / Lundgre / Anglerfish (Lophius piscatorius) portrait, Saltstraumen, Bod, Norway, October 2008. WWE INDOOR EXHIBITION Wild Wonders kids book.

Wild Wonders of Europe / Lundgren / Atlantic wolffish (Anarhichas lupus) close-up of mouth, Saltstraumen, Bod, Norway, October 2008

Wild Wonders of Europe / Lundgren / Atlantic wolffish (Anarhichas lupus) with Sea urchin in its mouth, Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Atlantic wolffish (Anarhichas lupus) feeding on Sea urchin, Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Atlantic wolffish (Anarhichas lupus) close-up of face, Saltstraumen, Bod, Norway, October 2008

Wild Wonders of Europe / Lundgren / Atlantic wolffish (Anarhichas lupus) close-up of mouth, Saltstraumen, Bod, Norway, October 2008

Wild Wonders of Europe / O. Haar / Arctic fox (Vulpes / Alopex lagopus) barking, dark summer phase, Hornstrandir, Iceland, July 2008

Wild Wonders of Europe / O. Haar / Arctic fox (Vulpes / Alopex lagopus) barking in a wild flower meadow, dark summer phase, Hornstrandir, Iceland, July 2008

Wild Wonders of Europe / Widstrand / Eurasian brown bear (Ursus arctos) cubs mouthing while playing, Suomussalmi, Finland, July 2008

Wild Wonders of Europe / Widstrand / Two Eurasian brown bear (Ursus arctos) cubs fighting, Suomussalmi, Finland, July 2008

Andy Rouse / Snowy owl (Bubo scandiaca) perched on post, calling / yawning, Canada

Wild Wonders of Europe / Lundgre / Atlantic salmon (Salmo salar) male, River Orkla, Norway, September 2008. WWE OUTDOOR EXHIBITION. WWE BOOK.

Wild Wonders of Europe / Lundgren / Atlantic salmon (Salmo salar) female, River Orkla, Norway, September 2008

Doug Perrine / American alligator (Alligator mississippiensis) with mouth open, split level, Big Cypress National Preserve, Florida Everglades, USA

Doug Perrine / American alligator (Alligator mississippiensis) with mouth open, split level, Big Cypress National Preserve, Florida Everglades, USA

Yukihiro Fukuda / Japanese macaque / Snow monkey {Macaca fuscata} mother grooming four-day-old newborn baby, Jigokudani, Nagano, Japan

Anup Shah / Nile crocodile {Crocodylus niloticus} close up of mouth and teeth, Serengeti NP, Tanzania