Ross Hoddinott / Red fox (Vulpes vulpes) vixen yawning in the morning light (captive). Lifton, Devon, UK, May

Anup Shah / Leopard {Panthera pardus} licking its nose, Africa *Not available for jigsaw puzzle use until 31st Dec 2014*

Staffan Widstrand / Polar Bear (Ursus maritimus) head portrait with blue tongue out, Svalbard, Norway

Staffan Widstrand / Polar Bear (Ursus maritimus) head portrait with blue tongue sticking out, Svalbard, Norway

Mark Carwardine / Aye-aye (Daubentonia madagascariensis) licking sap from trunk of tree, Captive, Tsimbazaza Zoo, Madagascar

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

Michael D. Kern / Mossy leaf-tailed gecko, (Uroplatus sikorae) captive from Madgascar

Michael D. Kern / Leaf tailed gekco (Uroplatus fimbriatus) captive from Madagascar

Danny Green / Male Adder (Vipera berus) tasting the air. Cannock Chase, Staffordshire, UK, October.

Shibai Xiao / Tokay gecko (Gekko gecko) close up portrait of head with black background, Guangxi Province, China.

Alex Mustard / 2020VISION / Old male Grey seal (Halichoerus grypus) with mouth wide open showing worn teeth, Lundy Island, Bristol Channel, England, UK, May. 2020VISION Book Plate.

Daniel Heuclin / Great basin Gopher Snake / Bullsnake (Pituophis catenifer deserticola) head profile, controlled conditions, Joshua Tree National Monument, California USA

Roland Seitre / Black-footed Ferret (Mustela nigripes) seen in its burrow. The species is endangered on account of prey depletion and vulnerability to foreign infection. Declared extinct in the wild in 1987, a succes...

Fabrice Cahez / Wild cat (Felis silvestris) licking its lips, Vosges, France, July

Roy Mangersnes / Polar bear (Ursus maritimus) sitting with dark blue tongue showing, Spitsbergen, Svalbard, Norway, August

Edwin Giesbers / Red fox (Vulpes vulpes) drinking, The Netherlands, March

Laurent Geslin / Masai giraffe {Giraffa camelopardalis} mother licking baby, Masai Mara reserve, Kenya, July

Rolf Nussbaumer / Western Coachwhip (Masticophis flagellum testaceus), young. Laredo, Webb County, South Texas, USA, April.

Lassi Rautiainen / Black woodpecker (Dryocopus martius) male feeding on tree trunk with beak open showing tongue, Finland, March

Jane Burton / Cute Border Collie puppy lying.

Jane Burton / Sable Border Collie puppy, 9 weeks, sitting.

Jane Burton / Black Labrador with two puppies.

Danny Green / 2020VISION / Adder (Vipera berus) tasting the air with tongue, Staffordshire, England, UK, April. 2020VISION Exhibition. 2020VISION Book Plate.

Danny Green / 2020VISION / Adder (Vipera berus) basking in the spring sunshine flicking tongue, England, UK, April. Did you know? The Adder is the only venomous snake in the UK.

Daniel Heuclin / Brown-banded Southern Water Snake (Nerodia fasciata) head in profile as it tastes the air with tongue. Controlled conditions. Lake Fausse-Pointe State Park, Louisiana, USA, November.

Solvin Zankl / Portrait of a Bouvier des Flander cross-breed dog, sitting and panting

Solvin Zankl / Head portrait of a German Shepherd, panting

Solvin Zankl / Grass snake (Natrix natrix) head portrait flicking tongue

Ernie Janes / Border collie, head portrait, Norfolk, UK, May

Petra Wegner / Australian Shepherd, red-tri coated, portrait lying in snow panting, with picket fence behind

Petra Wegner / Papillon / Continental Toy Spaniel / Butterfly Dog, portrait sitting in snow, panting, with picket fence behind

Andrew Walmsley / Mini lop-eared domestic rabbit with one ear up and one ear down, and tongue sticking out, Captive, Christchurch, New Zealand

Alex Hyde / Leaf-tailed gecko {Uroplatus sikorae} licking its eye to clean it. Masoala Peninsula National Park, north east Madagascar.

Petra Wegner / Bobtail / Old English Sheepdog running towards camera, panting.

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

Petra Wegner / Great Dane bitch, aged 7 months, portrait sitting in field, panting.

Edwin Giesbers / Asiatic black / Moon bear (Ursus thibetanus) aggressive behaviour displayed between two individuals, captive; Isselburg zoo; Germany.

Rolf Nussbaumer / Western Cottonmouth snake (Agkistrodon piscivorus leucostoma) on lake flicking tongue. Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Rolf Nussbaumer / Western Diamondback Rattlesnake (Crotalus atrox) flicking tongue in strike posture, in field of Showy Primrose, Fennessey Ranch, Refugio, Coastal Bend, Texas, USA

Rolf Nussbaumer / Head portrait of Gulf Coast Ribbon snake (Thamnophis proximus orarius) covered in duckweed and swimming, with tongue protruding, Fennessey Ranch, Refugio, Corpus Christi, Coastal Bend, Texas Coast, U...

Rolf Nussbaumer / Checkered Garter Snake (Thamnophis marcianus marcianus) coiled with tongue protruding. Fennessey Ranch, Refugio, Corpus Christi, Coastal Bend, Texas Coast, USA

Stephen Dalton / Casqued / Veiled / Yemeni chameleon (Chamaeleo calyptratus) catching insect with extended tongue, controlled conditions

Stephen Dalton / Henkel's leaf tailed gecko (Uroplatus henkeli) licking its eye with its tongue, controlled conditions

Stephen Dalton / Casqued / Veiled / Yemeni chameleon (Chamaeleo calyptratus) catching cricket with extended tongue, controlled conditions

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

Stephen Dalton / European chameleon (Chamaeleo chamaeleon) catching a fly, controlled conditions

Paul Hobson / Grass snake (Natrix natrix) swimming amongst duck weed, Oxfordshire, UK

Igor Shpilenok / Young red fox (Vulpes vulpes) portrait, with mouth open, Kronotsky Zapovednik, Kamchatka, Russia

Edwin Giesbers / Western diamondback rattlesnake {Crotalus atrox} captive, from Texas, USA

Guy Edwardes / Great black-backed gull (Larus marinus) portrait, with deformity (tongue punctured throat but bird remains healthy and feeding chicks) Great Saltee, Co. Wexford, Republic of Ireland, June

Stephen Dalton / Veiled / Yemeni casqued chameleon {Chamaeleo calyptratus} catching cricket with tongue, controlled conditions, from Arabia

Stephen Dalton / Veiled / Yemeni casqued chameleon {Chamaeleo calyptratus} catching cricket with tongue, controlled conditions, from Arabia

Stephen Dalton / European chameleon {Chamaeleo chamaeleon} catching insect with tongue, controlled conditions, from Europe

Andy Rouse / Masai giraffe (Giraffa camelopardalis tippelski) showing long tongue, captive, Marwell Zoo, UK

Andy Rouse / European otter (Lutra lutra) on riverbank, sticking out tongue, captive, UK

Stephen Dalton / Common toad (Bufo bufo) catching worm, controlled conditions, UK

Nick Garbutt / Male Wild gaur (Bos gaurus) licking nose, Satpura NP, India

Mark Bowler,Mark Bowler / Ball / Royal python (Python regius) coiled, moving away

Mark Taylor / Red toy Poodle, Reggie, looking up.

Mark Taylor / British Shorthair Brown Spotted cat licking her nose.

Kim Taylor / Natterer's bat (Myotis nattereri) about to drink from the surface of a lily pond, Surrey, UK

Wild Wonders of Europe / Widstra / Male Spanish ibex (Capra pyrenaica) scenting air behind female with tongue, Sierra de Gredos, Spain, November 2008

Wild Wonders of Europe / Widstra / Male Spanish ibex (Capra pyrenaica) scenting air behind female with tongue, Sierra de Gredos, Spain, November 2008 WWE OUTDOOR EXHIBITION

Guy Edwardes / Young Grey Seal {Halichoerus grypus} taking a break from suckling from mother, Donna Nook, Lincolnshire, England, January

Niall Benvie / MYN / Adder (Vipera berus) portrait, Kent, England, June

Wild Wonders of Europe / Widstrand / Eurasian brown bear (Ursus arctos) at acarcass with two Common ravens (Corvus corax) flying away, Kuhmo, Finland, September 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) dark summer phase, Hornstrandir, Iceland, July 2008

Fiona Rogers / Ring-tailed Lemur (Lemur catta) male greeting infant. Berenty Private Reserve, Madagascar. Oct 2008.

Wild Wonders of Europe / Nill / Dice snake (Natrix tessellata) near water, Bulgaria, May 2008 Wild Wonders kids book.

Nick Garbutt / Mossy leaf-tailed gecko (Uroplatus sikorae), cleaning its eye and active at night. Ranomafana NP, south east Madagascar.

Edwin Giesbers / Panther chameleon (Furcifer pardalis) cathing prey with tongue, sequence 2/4, Madagascar

Tony Heald / Malayan colugo (Cynocephalus variegatus) hanging upside-down in tree feeding on algae at night, Danum Valley, Sabah, Borneo, September

Solvin Zankl / Desert / Namaqua Chamaeleon (Chamaeleo namaquensis) juvenile with tongue exposed, catching prey, Namib Desert, Namibia

Andy Sands / Grass snake (Natrix natrix) feigning death, Hertfordshire, England. UK

Kim Taylor / Common European Toad (Bufo bufo) female sticking out tongue to feed on mealworm, Captive, UK,

Kim Taylor / Common European Toad (Bufo bufo) female sticking out tongue to feed on mealworm, Captive, UK, sequence 2/3

Kim Taylor / Common European Toad (Bufo bufo) female sticking out tongue to feed on mealworm, Captive, UK, sequence 2/3

Kim Taylor / Green Woodpecker (Picus viridis) using its tongue to extract a beetle larva from hole in Birch trunk. Digital composite, Surrey, UK

Michael D. Kern / Zoo Atlanta / Guatamelan Beaded Lizard {Heloderma horridum charlesbogerti} captive, Guatemala

Michael D. Kern / Amazon tree boa snake {Corallus hortulanus} portrait with tongue extended, captive, South America

Jane Burton / Bulldog bitch, "Pixie" sitting down and looking up.

Nick Garbutt / Male Masaai Giraffe {Giraffa camelopardalis} licking nose, Serengeti NP, Tanzania.

Tony Heald / Tiger {Panthera tigris} lying in long grass, licking nose, Bandhavgarh NP, India.

Kim Taylor / Parsons chameleon {Chamaeleo parsonii} male catching cricket. Captive, Madagascar.

Jabruson / Jackson's chameleon with tongue extended {Chamaeleo jacksonii}

Kim Taylor / Common Toad (Bufo bufo) taking a beetle larva. Surrey England, captive

Anup Shah / Golden langur {Presbytis geei} sticking its tongue out, India

Jose B. Ruiz / European chameleon feeding on grasshopper. Sequence 2/3. {Chamaeleo chamaeleon} Spain

Jabruson / Male Jackson's chameleon catches grasshopper with tongue{Chamaeleo jacksonii} Mt Kenya, Kenya

Jose B. Ruiz / European chameleon feeding on grasshopper. Sequence 3/3. {Chamaeleo chamaeleon} Spain

Pete Oxford / Parson's chameleon(Chamaeleo parsonii) feeding on locust. La Madraka, Madagascar

Anup Shah / Portrait of tiger licking paw, Ranthambhore NP, India. Note - Tigers have coarse, abrasive tongues useful for stripping meat from the bone but also for condition their fur.

Tony Phelps / Female Adder tasting the air with tongue {Vipera berus} Purbeck Dorset UK 2000

Anup Shah / Cheetah licking cub {Acinonyx jubatus} Masai Mara, Kenya

Pete Oxford / Panther chameleon, tongue extended to catch prey {Furcifer pardelis} Madagascar