Doug Perrine / Humpback whale exhibiting peduncle throw {Megaptera novaeangliae} Hawaii, Pacific Ocean - taken under research permit #882 (Non-ex).

Doug Perrine / Atlantic spotted dolphins abstract underwater {Stenella frontalis} Bahamas, Caribbean Se (Non-ex).

Doug Perrine / Bottlenose dolphin {Tursiops truncatus} Cayman Islands, Caribbean (Non-ex).

Doug Perrine / Subadult Pelagic thresher shark {Alopias pelagicus} Philippines, Pacific Ocean (Non-ex).

Michael Pitts / Red tailed tropic bird flying, Midway Atoll, Pacific Ocean

Dave Watts / Superb lyrebird displaying {Menura novaehollandiae} SE Australia

Doug Perrine / Tail fluke of diving Sperm whale {Physester macrocephalus} North Atlantic Ocean (Non-ex).

Doug Perrine / Humpback whale exhibiting peduncle throw {Megaptera novaeangliae} Hawaii Pacific Ocean - taken under research permit #882 (Non-ex).

John Downer Productions / Spotted skunk does handstand as initial warning then sprays out stench if warning not heeded (Resolution restriction - image digitised from film, 'Weird Nature' tv series)

Anup Shah / Leopard cub playing with mother's tail {Panthera pardus}

Anup Shah / Lion cub playing with mother's tail {Panthera leo} Masai Mara, Kenya

Anup Shah / Zanzibar red colobus monkey (Procolobus kirkii) mother with young, Zanzibar, Tanzania, East Africa

Fabio Liverani / European Edible Frog froglets with tadpole tails. Italy

John Cancalosi / Red tailed tropicbird {Phaethon rubricauda} in flight, Antigua, West Indies

Peter Blackwell / Paradise whydah, Masai Mara, Kenya

Fabio Liverani / Common tree frog froglet with remains of tail, Italy. Life cycle sequence 5

Fabio Liverani / Common tree frog tadpole with hind legs and front legs developing, Italy. Life cycle sequence 4

Anup Shah / Ebony langur climbing {Trachypithecus auratus} Endangered species native to Java, Indonesia

Anup Shah / Spider monkey in tree. Note prehensile tail

LYNN M. STONE / Snow leopard (Panthera uncia)

Pete Oxford / Brown lemur, Tsimbazaza Zoo, Madagascar

Pete Oxford / Ring-tailed lemur with young, Berenty Reserve, Madagascar

Pete Oxford / Ring-tailed lemur carrying young, Berenty Reserve, Madagascar

Todd Pusser / Tail fluke of diving Sperm whale {Physeter macrocephalus} Kaikoura, New Zealand, Pacific

Pete Oxford / Female Black lemur, Nosy Komba, Madagascar

John Cancalosi / Spanish lynx walking {Lynx pardina} Spain, captive

Pete Oxford / Emperor tamarin {Saguinus imperator} in rainforest tree, Madre de Dios, Peru

Doug Wechsler / Sunda tarsier {Tarsius bancanus} Sabah, Borneo,

Andrew Parkinson / Cape ground squirrel female on guard {Xerus inauris} Etosha NP, Namibia

Peter Blackwell / Black and white colobus monkey holding white baby {Colobus guereza} in tree, Mount Kenya East Africa

David Pike / Japanese macaque in snow {Macaca fuscata} Jigokudani, Japan

Anup Shah / Warthog running {Phacochoerus aethiopicus} Masai Mara, Kenya

Anup Shah / Young African elephant following another and holding its tail, Masai Mara, Kenya

Staffan Widstrand / Wild Wonders of China / Lady Amherst's pheasant (Chrysolophus amherstiae) male displaying, Kanding, Sichuan, China. April.

Staffan Widstrand / Wild Wonders of China / Lady Amherst's pheasant (Chrysolophus amherstiae) male displaying, Kanding, Sichuan, China

Staffan Widstrand / Wild Wonders of China / Golden pheasant (Chrysolophus pictus) male in flight, about to land, Yangxian nature reserve, Shaanxi, China

Alex Mustard / Common seahorse (Hippocampus kuda) female gripping onto a piece of waterlogged wood with her prehensile tail. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Yashpal Rathore / Indian leopard (Panthera pardus fusca) on rock with forested hills beyond. Nilgiri Biosphere Reserve, India. Camera trap image. 2019.

Daniel Heuclin / Western diamondback rattlesnake (Crotalus atrox), flicking tongue and with rattle raised, Arizona, USA. Controlled conditions.

Juan Carlos Munoz / Albacore / Longfin tuna (Thunnus alalunga) caught fish, tails on ice. Santona, Cantabria, Spain. August 2011.

Cyril Ruoso / Ringed-tailed lemur (Lemur catta) sunbathing on rock in early morning, granite mountain in background. Anja Community Reserve, Madagascar. 2018.

Cyril Ruoso / Ringed-tailed lemur (Lemur catta), three adults with babies, from behind with tails visible. Anja Community Reserve, Madagascar.

Shane Gross / Jewelry made from the tails of invasive lionfish (Pterois volitans) Eleuthera, Bahamas.

Shane Gross / The tails of invasive lionfish (Pterois volitans) dry on a cutting board. The tails will be made into jewelry. Image made on Eleuthera, Bahamas.

Pascal Kobeh / Thorny seahorses (Hippocampus histrix) tails coiled round coral, Sulu Sea, Philippines.

Karine Aigner / Grey langur / Hanuman langur (Semnopithecus sp), tails and hands of monkeys feeding at a religious site. Ranthambore National Park, Rajasthan, India.

David Fleetham / Passengers on whale watching boat getting close look at the tail flukw of Humpback whale (Megaptera novaeangliae) Lahaina, Maui, Hawaii. Model released.

David Fleetham / Tail of Long jawed squirrelfish (Sargocentron spiniferum), Hawaii.

David Fleetham / Tail fluke of Bottlenose Dolphin (Tursiops truncatus), Curacao, Netherland Antilles, Caribbean.

David Fleetham / Photograher (MR) gets a close up of the tail of a humpback whale (Megaptera novaeangliae). Lahaina, Maui, Hawaii. February 2008. Model released

Frederique Olivier / Pair of Black browed albatrosses (Thalassarche melanophris) courting, touching beaks and fanning tails, with Southern rockhopper penguins (Eudyptes chrysocome) in the foreground, New Island, Falkland...

Sandesh Kadur / Two King cobras (Ophiophagus hannah) with their tails entwined during mating, Agumbe, Karnartaka, India.

Ingo Arndt / Harvest Mouse (Micromys minutus) using tail whilst climbing in reed, Germany, captive.

Ingo Arndt / Madagascar moon moth (Argema mittrei), Captive

Ingo Arndt / Red squirrel, backlit {Sciurus vulgaris} Germany

Ingo Arndt / Close up of Cheetah tail {Acinonyx jubatus} Namibia

Ingo Arndt / Parson's chameleon male climbs across tree trunks {Chamaeleo parsonii} Madagascar

Ingo Arndt / Parson's chameleon male climbing using tail {Chamaeleo parsonii} Madagascar

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} perched on sleeping rock, Jodhpur, India

Ingo Arndt / Shorthorn chameleon male sleeping {Calumna brevicornis} Madagascar

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} perched on sleeping rock, Jodhpur, India

Ingo Arndt / Guanaco {Lama guanicoe}young besdie mother, Torres del Paine NP, Patagonia, Chile

Ingo Arndt / Fat dormouse sleeping in nest {Glis glis} Germany

Ingo Arndt / Rear-view of Common hamster {Cricetus cricetus} burrowing, Germany.

Ingo Arndt / Ring tailed lemurs on stump {Lemur catta} Captive

Ingo Arndt / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} grooming, Jodhpur, India

Ingo Arndt / Close up of Hermann's tortoise {Testudo hermanni} laying eggs, France

Francois Savigny / Common peafowl male in grassland, Ranthambhore NR, India

Francois Savigny / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} sitting in tree. Ranthambhore NP, India

John Waters / Pair of Brook lampreys (Lampetra planeri) spawning, thrashing tails, River Kennet, Berkshire, England, UK. January.

Francois Savigny / Blue whale tail fluke {Balaenoptera musculus} Sea of Cortez, Baja California, Mexico

Nick Upton / Great crested newt (Triturus cristatus) female aproaching two courting male waving their tails in a pond maintained for newts and other pond life, Mendip Hills, near Wells, Somerset, UK, February. Pho...

Chris Shields / Rondo dwarf galago (Galagoides rondoensis) illustration. Critically endangered species.

Niall Benvie / Icelandic horse, Snaefellnes, Iceland.

Mark Hamblin / Red squirrel (Sciurus vulgaris) stood on log in snow , Cairngorms National Park, Scotland, UK. December.

Espen Bergersen / Humpback whale (Megaptera novaeangliae) lobtailing / tail slapping on surface, Killer whale (Orcinus orca) in foreground, Kvaloya, Troms, Norway, October

Franco Banfi / Tail of Sperm whale (Physeter macrocephalus) diving. Dominica, Caribbean Sea, Atlantic Ocean. Vulnerable species.

Franco Banfi / Sperm whale (Physeter macrocephalus) identification chart showing the tails of the different individuals, Dominica, Caribbean Sea, Atlantic Ocean..

Franco Banfi / Tails of Sperm whales (Physeter macrocephalus) Dominica, Caribbean Sea, Atlantic Ocean. Vulnerable species.

Claudio Contreras / American crocodile (Crocodylus acutus) rear view of animal resting in shallow water with head at surface, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Mark Carwardine / Blue whale (Balaenoptera musculus) fluking / diving, Sea of Cortez, Gulf of California,), Baja California, Mexico, February

Nick Garbutt / Proboscis monkey (Nasalis larvatus) Riverine forest, Kinabatangan River, Sukau, Sabah, Borneo.

Hanne & Jens Eriksen / Arabian chameleon (Chamaeleo arabicus) in tree, Oman, November

Adrian Davies / Asian forest scorpion (Heterometrus longimanus) close up of tail. Captive.

Melvin Grey / Violet-Tailed sylph hummingbird (Aglaiocercus coelestis) flying to flower, Mindo Lomo, Ecuador

Tony Wu / Southern right whale (Eubalaena australis) male brindle calf at surface, born with white and black pigmentation, photographed with the permission of the Department of Environmental Affairs, South Afri...

Tony Wu / Humpback whale (Megaptera novaeangliae) adult female splashing lots of sea water and spray in all directions with her fluke and peduncle, Vava'u, Tonga, South Pacific

Bernard Castelein / Ring-tailed Lemur ( Lemur catta) female marking territory. Anjaha Community Conservation Site, near Ambalavao, Madagascar. Commended in Single Species Portfolio of the Terre Sauvage Nature Images Awa...

Bernard Castelein / Ring-tailed lemur (Lemur catta) mothers with young, Anjaha Community Conservation Site, near Ambalavao, Madagascar, October. Commended in Single Species Portfolio of the Terre Sauvage Nature Images Aw...

Tony Wu / Bryde's whale (Balaenoptera edeni) male with injured fluke diving to forage for food , Sri Lanka, Indian Ocean.

Tony Wu / Pygmy blue whale (Balaenoptera musculus brevicauda) entangled in fishing net. Mirissa, Sri Lanka, Indian Ocean.

Charlie Summers / Comet Catalina (C/2013 US10) during the early morning hours of January 19, 2016, seen from Eastern Colorado, USA. This comet has two tails, one going to the top left, the ion tail, and another diffuse...

Ann & Steve Toon / Ground squirrel (Xerus inauris) young using tail for shade, Kgalagadi Transfrontier Park, Northern Cape, South Africa

Andy Sands / Sharp-tailed bee (Coelioxys conoidea) cleptoparasite of Leaf cutter bee (Megachile maritima). This species uses their sharp tails to slice into the nests of the host leaf cutter bees to lay their egg...

Chris & Monique Fallows / Short-finned pilot whale (Globicephala macrorhynchus) rear view showing fluke, Cape Point, South Africa, March.