Michel Roggo / Grayling (Thymallus thymallus) on spawning ground. Lac de Fenetre, alpine lake, 2456 m above sea level, Canton of Valais, Switzerland, June.

B&S Draker / Mexican Ground Squirrel (Spermophilus mexicanus) adult drinking. Sinton, Corpus Christi, Coastal Bend, Texas, USA, May.

Juergen Freund / Umbrella and other human waste thrown out into the coastal waters, settling on the ground becoming marine life habitat, Moluccas Islands, Indonesia, December 2009

Tim Laman / Rufous-sided sticky frog (Kalophrynus pleurostigma) on the ground in the lowland rainforest, Bako National Park, Sarawak, Borneo, Malaysia

Jack Dykinga / Cenote Samula (sink hole) with elongated roots of a Fig tree (Ficus sp) from ground level descending to the subterranian tourquoise coloured water below. Rays of sulight pass through the hole to illum...

David Kjaer / Seabird breeding cliffs, northern end of Handa Island, off the north west coast of Scotland, June.

Wild Wonders of Europe / Hermansen / Turlough lake (temporary / seasonal ground water lake) Burren National Park, County Clare, Republic of Ireland, June 2009

Andy Rouse / Water Rail (Rallus aquaticus) on frosty ground beside water, Wales, UK

Andy Rouse / Water Rail (Rallus aquaticus) on frosty ground beside water, Wales, UK

Solvin Zankl / Cornflower seeds (Centaurea cyanus). Cornflower seeds are partly dispersed by ants and also carry a tuft of hygroscopic (water-absorbing) fibres that expand when wet and retract when dry, thus driving...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Solvin Zankl / Seed of Pasque flower (Pulsatilla vulgaris) - Europe. Seeds of the pasque flower carry a "tail", formed from the persisting style. The seeds are dispersed by wind and, additionally, can "crawl" along...

Tim Fitzharris / Fallen autumn colored Aspen leaves on the ground covered in dew droplets, Colorado

Michio Hoshino / Caribou (Rangifer tarandus) herd migrating across tundra, Arctic National Wildlife Refuge, Alaska

Michio Hoshino / Caribou (Rangifer tarandus) herd migrating in summer, Arctic National Wildlife Refuge, Alaska

Michio Hoshino / Caribou (Rangifer tarandus) of the western Arctic Herd swimming across the Kobuk River during migration to their winter range, Alaska

Michio Hoshino / Caribou (Rangifer tarandus) group swimming during migration, Kobuk River, Alaska

Wild Wonders of Europe / Widstrand / Aerial view over the Danube delta, abstract patterns of water and ground, Danube delta rewilding area, Romania, June 2012

Jabruson / African Forest elephant (Loxodonta africana cyclotis) adult excavating mineral-rich sediment hole in stream flowing through bai clearing, Dzanga-Ndoki National Park, Central African Republic

Jabruson / Forest buffalos (Syncerus caffer nanus) bull, cow and calf resting in muddy stream in bai clearing, Dzanga-Ndoki National Park, Central African Republic

Jabruson / Ripe 'Popoko' fruit on the forest floor, Sterculia (Sterculia sp) eaten by a lot of forest animals and water from the boiled bark is used as a cold remedy by local tribes people, Bai Hokou, Dzanga-Ndo...

Jabruson / African Forest elephants (Loxodonta africana cyclotis) visit Dzanga Bai during the night and day, partly for social reasons, partly to feed on mineral-rich sediments, Dzanga-Ndoki National Park, Centr...

Jabruson / African Forest elephant (Loxodonta africana cyclotis) mother and calf visiting Dzanga Bai to feed on mineral-rich sediments, Dzanga-Ndoki National Park, Central African Republic

Cheryl-Samantha Owen / Tana River delta is remote and heavy rain showers make the black cotton soil tracks impassable for cyclist, Kenya, East Africa

Brent Stephenson / New Zealand stilt (Himantopus novaezelandiae) feeding in a muddy pool, Glentanner, Central Otago, New Zealand.

Paul Williams / Giant otter (Pteronura brasiliensis) resting out of water, Pantanal, Pocone, Brazil

Konrad Wothe / Flock of Snow Geese (Chen caerulescens atlanticus / Chen caerulescens) in flight and on ground at wintering area, Bosque del Apache, New Mexico, USA, November

Sergey Gorshkov / African lion (Panthera leo) low angle view of lioness drinking from puddle, Okavango Delta, Botswana

Bert Willaert / A Banded Ground Gecko (Geckoella deccanensis) licking water from its eye. Western Ghats, India.

MYN / John Tiddy / Pobblebonk / Eastern Banjo frog (Limnodynastes dumerili) in water, Victoria, Australia, September. meetyourneighbours.net project

MYN / John Tiddy / Pobblebonk / Eastern Banjo frog (Limnodynastes dumerili) in water, Victoria, Australia, September. meetyourneighbours.net project

MYN / John Tiddy / Pobblebonk / Eastern Banjo frog (Limnodynastes dumerili) in water, Victoria, Australia, September. meetyourneighbours.net project

Kevin Schafer/ AITo / Common Water Monitor (Varanus salvator) walking through Maleo (Macrocephalon maleo) breeding ground, Sulawesi, Indonesia

Niall Benvie / Water flowing through frozen ground at the Gannochy gorge, Angus, Scotland, UK, January 2010

Mike Potts / Marsh Lake, Yukon, Canada, a resting and feeding ground for many species of waterfowl on their long flight north to their breeding grounds, April 2011

Rolf Nussbaumer / Mexican Ground Squirrel (Spermophilus mexicanus), adult drinking. Laredo, Webb County, South Texas, USA, April.

Thomas Rabeil / Desert landscape; the balls on the ground are dried watermelons which provide water for a range of wildlife. Termit Massif, Niger, Africa.

Axel Gomille / Hard-Ground Barasingha / Upland Barasingha / Swamp Deer (Cervus duvauceli branderi) female feeding on grasses in chest-deep water. Kanha National Park, India.

Axel Gomille / Hard-Ground Barasingha / Upland Barasingha / Swamp Deer (Cervus duvauceli branderi) female feeding on grasses in chest-deep water. Kanha National Park, India.

Juergen Freund / Women working in the rice fields (Oriza sp). Ground water soaks into the fields saturating the topsoil to create a 5-10 cm water layer. Water runs off the barren deforested mountains, and due to clima...

David Welling / Mexican Ground Squirrel (Spermophilus mexicanus) by water. Rio Grande Valley, Texas USA, June.

Bryan and Cherry Alexander / Patterned ground between Inuvik and the Anderson River. Alaska, USA, 1996.

Laurent Geslin / Two Bitterns (Botaurus stellaris) one chasing the other, at edge of stream on snow covered ground, Switzerland, January.

Laurent Geslin / Two Bitterns (Botaurus stellaris) at edge of stream on snow covered ground, Switzerland, January.

Laurent Geslin / Bittern (Botaurus stellaris) at edge of stream on snow covered ground, with Red fox (vulpes vulpes) passing by, Switzerland, January.

Robert Thompson / Water carpet moth (Lampropteryx suffumata) on ground vegetation, Argory, County Armagh, Northern Ireland, UK, April

Aflo / ic-00601 Domestic cat lying beside harbour {Felis catus}

Luiz Claudio Marigo / (Tegosa sp) butterfly sucking water with mineral salts from the ground on the margin of Cristalino River, Alta Floresta, Mato Grosso State, Brazil.

Luiz Claudio Marigo / Periander metalmark / Periander swordtail butterfly (Rhetus periander) sucking water with mineral salts from the ground on the margin of Cristalino River, Alta Floresta, Mato Grosso State, Brazil.

Stephen Dalton / Woodland damage caused by deer. Note the bare ground depleted of vegetation and the slots in the soft earth at the stream crossing in the foreground. Sussex, UK

Mark Bowler / Shallow puddle of standing water, breeding ground for malarial mosquitoes, in a remote rural village, Nuevo Esperanza, Rio Yavari-Mirin, Peruvian Amazon Rainforest town, Peru, May 2008

Andy Rouse / Water Rail (Rallus aquaticus) on frosty ground beside water, Wales, UK

Alan Williams / European river otter (Lutra lutra) sniffing the ground beside water covered in duckweed, captive, Otter Trust, Norfolk, UK, September

Alan Williams / European river otter (Lutra lutra) beside water covered in duckweed, sniffing the ground, captive, Otter Trust, Norfolk, UK, September

Mary McDonald / Harris's Antelope Squirrel (Ammospermophilus harrisii) drinking from a water hole, Southern Arizona, USA. Endangered.

John Cancalosi / Bald cypress tree (Taxodium distichum) knees (woody projections sent above the ground or water that are part of the root system) Louisiana, USA

Luiz Claudio Marigo / Amazon "várzea" flooded forest in the dry season, when the ground appears out of water, Mamirauá Sustainable Development Reserve, municipality of Alvarães, Amazonas State, Northern Brazil.

Luiz Claudio Marigo / Amazon "várzea" flooded forest in the dry season, when the ground appears out of water, at Mamirauá Sustainable Development Reserve, municipality of Alvarães, Amazonas State, Northern Brazil.

Inaki Relanzon / Ground dwelling frog (Mantidactylus sp.) sitting on rock near water, Ranomafana National Park, Madagascar

Nick Garbutt / Flock of African skimmer {Rynchops flavirostris} on ground beside Shire River with gulls in the background, Liwonde National Park, Malawi, Africa

George Chan / Swan Lake / Bayanbulak Nature Reserve, an important breeding ground for water birds, especially Whooper swans (Cygnus cygnus). Xinjiang Province, North-west China. June 2006

George Chan / Swan Lake / Bayanbulak Nature Reserve, an important breeding ground for water birds, especially Whooper swans (Cygnus cygnus). Xinjiang Province, North-west China. June 2006

Tom Vezo / Harris' Antelope Squirrel (Ammospermophilus harrisii) coming to water for a drink, Santa Rita Mountains, Arizona

Rolf Nussbaumer / Common Ground-Dove (Columbina passerina) drinking, Starr County, Rio Grande Valley, Texas, USA. April 2002

Rolf Nussbaumer / Common Ground-Dove (Columbina passerina) in water to drink, Lake Corpus Christi, Texas, USA. May 2003

Rolf Nussbaumer / Common Ground-Dove (Columbina passerina) at water's edge to drink, Lake Corpus Christi, Texas, USA. May 2003

John Cancalosi / Harris' Antelope Squirrel / Yuma Antelope Squirrel (Ammospermophilus harrisi) drinking at temporary pool, Arizona, USA

John Cancalosi / Harris' Antelope Squirrel / Yuma Antelope Squirrel (Ammospermophilus harrisi) drinking at temporary pool, Arizona, USA

Jason Smalley / Wet dune slack in fixed dunes, breeding ground for Natterjack toad (Bufo calamita), Ainsdale, Merseyside UK

David Welling / Common ground dove {Columbina passerina} drinking, Texas, USA

Tony Heald / Female Red footed falcon (western) {Falco vespertinus} on ground with wings out streched, Etosha national park, Namibia.

Jason Smalley / Woodland growing on damp ground alongside a raised bog, with moss and birch, UK.

Solvin Zankl / Seed heads of Cornflower (Centaurea cyanus), Europe. Cornflower seeds are partly dispersed by ants and also carry a tuft of hygroscopic (water-absorbing) fibres that expand when wet and retract when d...

Solvin Zankl / Seed heads of Cornflower (Centaurea cyanus), Europe. Cornflower seeds are partly dispersed by ants and also carry a tuft of hygroscopic (water-absorbing) fibres that expand out when wet and retract wh...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Solvin Zankl / Seeds of Common storksbill (Erodium cicutarium), Europe. In dry conditions, the ripe seeds are ejected from the fruit. The seed tails are formed from the persisting style which consists of hygroscopic...

Winfried Wisniewski / Caribou (Rangifer tarandus) running through water, Alaska

Pete Oxford / Harpy Eagle (Harpia harpyja) recently fledged seven month old wild chick carried by Alexander Blanco through the swamp to dry ground Cuyabeno Reserve, Amazon rainforest, Ecuador

Pete Oxford / Harpy Eagle (Harpia harpyja) recently fledged seven month old wild chick carried by Alexander Blanco through the swamp to dry ground Cuyabeno Reserve, Amazon rainforest, Ecuador

Pete Oxford / Harpy Eagle (Harpia harpyja) recently fledged seven month old wild chick carried by Alexander Blanco through the swamp to dry ground Cuyabeno Reserve, Amazon rainforest, Ecuador

Jim Brandenburg / Woodland Caribou (Rangifer tarandus caribou) bull walking along lakeshore in the rain, Northwoods, Minnesota

Jim Brandenburg / Woodland Caribou (Rangifer tarandus caribou) bull bellowing at two females on lakeshore, Northwoods, Minnesota

Yva Momatiuk & John Eastcott / Sandhill Crane (Grus canadensis) in pond prior to departure for nesting grounds up north, spring, Bosque del Apache National Wildlife Refuge, New Mexico

Yva Momatiuk & John Eastcott / Snow Goose (Chen caerulescens) flock swimming in lake at sunset with Sandhill Cranes (Grus canadensis) flock flying across full moon, spring, wintering grounds, Bosque del Apache National Wildlife Ref...

Yva Momatiuk & John Eastcott / Snow Goose (Chen caerulescens) flocks fly from lake at sunrise, wintering grounds, early spring, Bosque del Apache National Wildlife Refuge, New Mexico

Konrad Wothe / Caribou (Rangifer tarandus) portrait of male, splashing in water, Taymyr, Siberia

Yva Momatiuk & John Eastcott / Whooping Crane (Grus americana) at wintering grounds, Gulf of Mexico, Aransas National Wildlife Refuge, Texas

Michael & Patricia Fogden / Woodworker Frog (Megistolotis lignarius ) in shallow water in cave, northern and western Australia