Michael & Patricia Fogden / Burchell's Zebra (Equus burchellii) and Giraffe (Giraffa camelopardalis) at waterhole, Etosha National Park, Namibia

Jim Brandenburg / African Elephant (Loxodonta africana) herd drinking at waterhole, Etosha National Park, Namibia

Rolf Nussbaumer / Eastern cottontail rabbit drinking {Sylvilagus floridanus} Texas, USA.

Pete Oxford / African Elephants & mixed game at waterhole {Loxodonta africana} Chobe NP, Botswana

Pete Oxford / African elephant drinks in river at sunset, Chobe National Park, Botswanna

Tony Heald / Giraffe drinking at waterhole, Namibia, Etosha NP

Tony Heald / African Elephants drinking in Etosha National Park, Namibia

Yva Momatiuk & John Eastcott / Mustang (Equus caballus) group drinking from waterhole in summer, Montana

Yva Momatiuk & John Eastcott / Mustang (Equus caballus) group drinking from water hole in summer, Montana

Yva Momatiuk & John Eastcott / Alaska Moose (Alces alces gigas) bull with water dripping from antlers after feeding in glacial kettle pond, Denali National Park and Preserve, Alaska

Shin Yoshino / American Bison (Bison bison) herd drinking from lake, Yellowstone National Park, Wyoming

Gertrud & Helmut Denzau / Domestic Bactrian camel {C. bactrianus} lying down to reach water at spring, Mongolia.

Lockwood & Dattatri / Indian elephants drinking Kabini NP India

David Welling / Female Whitetail deer drinking {Odocoileus virginianus} Texas, USA

David Kjaer / Male Sparrowhawk at water. Sussex, UK

Anup Shah / Indian elephant mother with young drinking in water {Elephas maximus} India

Tony Heald / African elephant drinking, Mana Pools NP, Zimbabwe

Jabruson / Sitatunga doe and calf {Tragelaphus spekei} searching for seeds in dung left by elephants drinking , Maya Maya Nord Bai forest clearing, Odzala NP, Congo, West Africa

Doug Allan / Camels drinking at oasis, Chad, North Africa

Anup Shah / Two Common zebras drinking {Equus burchelli} Masai Mara National Reserve, Kenya

Tony Heald / Little corella at water {Cactua sanguinea} Western Australia

Anup Shah / Three Common zebra drinking {Equus quagga} Masai Mara GR, Kenya East Africa

Anup Shah / Common zebras drinking from Mara river {Equus quagga} Masai Mara GR, Kenya East Africa

Anup Shah / Common zebra herd drinking from Mara river {Equus quagga} Masai Mara GR, Kenya East Africa

Anup Shah / Two Common zebra drinking {Equus quagga} Masai Mara GR, Kenya East Africa

Bernard Castelein / Two Southern plains grey / Hanuman langur {Semnopithecus dussumieri} drinking, Sariska NP, Rajasthan, India

Anup Shah / Indian elephant splashing trunk in water {Elephas maximus} Kaziranga, India

Anup Shah / Indian elephant group drinking in river {Elephas maximus} Kaziranga, India

Anup Shah / Indian elephant group drinking {Elephas maximus} Kaziranga, India

Anup Shah / Indian elephant group drinking {Elephas maximus} Kaziranga, India

Richard Du Toit / Impala (Aepyceros melampus) female with group of Red-billed Oxpeckers (Buphagus erythrorhynchus) on its back, Limpopo, South Africa

Nick Upton / Root maggot fly (Pegomya sp.) drinking water from a leaf after rain, Wiltshire garden, UK, April.

Niall Benvie / A glass of clean water.

Niall Benvie / A glass of dirty water.

Hermann Brehm / Wood Pigeon (Columba palumbus) drinking, Germany

Wild Wonders of Europe / Muñoz / Retuerta horses (Equus ferus caballus) herd drinking at pond, once native, now re-introduced to graze in Campanarios de Azaba Biological Reserve, a rewilding Europe Area, Salamanca, Castilla y Leon, S...

Paul Hobson / Robin (Erithacus rubecula) drinking in pond with reflection, Yorkshire, UK July

Paul Hobson / Bullfinch (Pyrrhula pyrrhula) male reflected in woodland pond as he takes a drink, Sheffield UK March

Paul Hobson / Bullfinch (Pyrrhula pyrrhula) female reflected in woodland pond, Sheffield UK March

Paul Hobson / Bullfinch (Pyrrhula pyrrhula) reflection of female taking a drink from woodland pond, Sheffield UK March

Paul Hobson / Bullfinch, (Pyrrhula pyrrhula), male reflection in woodland pond, Sheffield UK March

Paul Hobson / Bullfinch (Pyrrhula pyrrhula) male reflection in woodland pond after drinking, Sheffield UK March

Anup Shah / Celebes / Black crested macaque (Macaca nigra) juvenile drinking water from a hollow in a tree, Tangkoko National Park, Sulawesi, Indonesia.

Wild Wonders of Europe / Widstrand / Domestic horse, living wild, now feral, grazing by river, Sfinthu Gheorghe, Danube delta rewilding area, Romania

Denis-Huot / African Elephant (Loxodonta africana) mother offering water to her calf from a hole in dry river bed. Samburu game reserve, Kenya.

Suzi Eszterhas / Leopard (Panthera pardus) portrait of individual drinking, Okavango Delta, Botswana

David Welling / Wild turkey (Meleagris gallopova) drinks from a small pond on Laguna Seca ranch, Rio Grande Valley, South Texas, USA

David Welling / Wild Lark Sparrow (Chondestes grammacus) drinks at the edge of a small pond on Dos Venadas Ranch, Starr county, Rio grande valley, Texas

Tony Heald / Sable antelope (Hippotragus niger) male drinking, Hwange National Park, Zimbabwe October 2012

Tony Heald / Grant's Zebra (Equus quagga boehmi) three drinking at waterhole, Mana Pools National Park, Zimbabwe October 2012

Tony Heald / African Elephant (Loxodonta africana) in Zambezi River, Mana Pools National Park, Zimbabwe, October 2012

Tim Fitzharris / African Elephant (Loxodonta africana) sub-adults drinking at waterhole, Africa

Anup Shah / Western chimpanzee (Pan troglodytes verus) female 'Fanle' aged 13 years in tree to collect leaves to make a tool to collect water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. January 20...

Anup Shah / Western chimpanzee (Pan troglodytes verus) male 'Tua' aged 53 years using chewed leaves as a sponge tool to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. December 2010.

Staffan Widstrand / Polar Bear (Ursus maritimus) looking to drink, reflected in sea, Svalbard, Norway

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years using a leaf tool as a sponge to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. December 2010. S...

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years using a leaf tool as a sponge to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. December 2010. S...

Fiona Rogers / Western chimpazee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years using leaves as a sponge to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. January 2011.

Fiona Rogers / Western chimpazee (Pan troglodytes verus) infant male 'Flanle' aged 3 years using a leaf tool as a sponge to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. January 2011. Sequenc...

Fiona Rogers / Western chimpazee (Pan troglodytes verus) infant male 'Flanle' aged 3 years using a leaf tool as a sponge to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. January 2011. Sequenc...

Fiona Rogers / Western chimpazee (Pan troglodytes verus) infant male 'Flanle' aged 3 years using a leaf tool as a sponge to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. January 2011. Sequenc...

Fiona Rogers / Western chimpazee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years using a leaf tool as a sponge to drink water from a hole in a tree, Bossou Forest, Mont Nimba, Guinea. December 2010.

Markus Varesvuo / Black Vulture (Aygiptus monachus) drinking, Spain March

Jabruson / Forest buffalo (Syncerus caffer nanus) bull drinking from stream flowing through bai clearing, Dzanga-Ndoki National Park, Central African Republic

Jabruson / African Forest elephant (Loxodonta africana cyclotis) calf suckling from mother, whilst visiting Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic

Jabruson / African Forest elephant (Loxodonta africana cyclotis) calf drinking up mineral-rich water from Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic

Jabruson / African Forest elephants (Loxodonta africana cyclotis) drinking up mineral-rich waters and sediments of Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic

Jabruson / African Forest elephant (Loxodonta africana cyclotis) adult bull chasing others and vying for position at mineral drinking hole. These elephants visit the forest clearings to obtain valuable minerals...

Jabruson / African Forest elephants (Loxodonta africana cyclotis), visiting Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic

Jabruson / African Forest elephants (Loxodonta africana cyclotis), visiting Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic

Jabruson / African Forest elephants (Loxodonta africana cyclotis), visiting Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic

Markus Varesvuo / Whooper Swan (Cygnus cygnus) drinking, Kuusamo Finland, June. Fascinating birds bookplate.

Mark Carwardine / Guard on anti-poaching patrol drinking water from stream, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Spirit / Kermode bear (Ursus americanus kermodei), white phase of American black bear, Princess Royal Island, the Great Bear Rainforest, British Columbia, western Canada

Andrew Parkinson / Bengal Tiger (Panthera tigris) sub-adult, approximately 17-19 months old, drinking at a forest pool. Endangered. Bandhavgarh National Park, India. Non-ex.

Richard Du Toit / Swainson's Spurfowl (Francolinus swainsonii) drinking rainwater from tar road, Kruger National Park, South Africa

Christophe Courteau / African wild dog (Lycaon pictus) drinking, Okavango Delta, Botswana.

Christophe Courteau / Aerial shot of African elephants (Loxodonta africana) drinking at a water hole in the Mopane Forest, Botswana

Christophe Courteau / Plastic Bottles of drinking Mineral Water for sale in Supermarket, France. 2005. Digital Image Modified

Christophe Courteau / Bottles of drinking Mineral Water for sale in supermarket, France. 2005. Digital Image Modified

Christophe Courteau / West African giraffe {Giraffe camelopardis peralta} drinking at waterhole. Sahel, Niger.

Christophe Courteau / African lioness {Panthera leo} at waterhole, drinking. Okavango delta, Botswana.

Christophe Courteau / African lionesses {Panthera leo} at waterhole, drinking. Okavango delta, Botswana.

Christophe Courteau / African lion male at waterhole {Panthera leo}. Okavango delta, Botswana

Christophe Courteau / Male African lion {Panthera leo} at waterhole. Okavango delta, Botswana.

Christophe Courteau / African lioness at waterhole {Panthera leo}. Okavango delta, Botswana

Christophe Courteau / African lions {Panthera leo} drinking at waterhole. Moremi GR, Okavango delta, Botswana.

Christophe Courteau / African lionesses {Panthera leo} drinking at waterhole. Okavango delta, Botswana.

Loic Poidevin / African elephant (Loxodonta africana) drinking at Chobe River, Botswana, Southern Africa

Hanne & Jens Eriksen / Sykes's wagtail (Motacilla flava beema) at water, Oman, February

Hanne & Jens Eriksen / Redpoll (Carduelis flammea) at bird bath, Denmark, June

Eric Medard / Common buzzard (Buteo buteo) in water in woodland, France, November

David Pattyn / Northern Plains grey / Hanuman Langur (Semnopithecus entellus) drinking at a tap for pilgrims at Ranthambore fort, Ranthabore National Park, Rajasthan, India

David Pattyn / Mallard (Anas platyrhynchos) male and female couple resting and drinking, Camargue, France, April