Marie Lochman / Tree Top Walk - Valley of Giants, tourist attraction - walk in the canopy of Red Tingle giant eucalyptus (Eucalyptus jacksonii) trees, Walpole-Nornalup National Park, south west, Western Australia, Ja...

Marie Read / Black-necked stilts (Himantopus mexicanus) pair performing post-copulatory display (as copulation ends, the male slides off the female leaving his wings draped over her and crossing his bill with hers...

Jami Tarris / African Elephant (Loxodonta africana) herd on savanna, Mount Kilimanjaro, Amboseli National Park, Kenya

Duncan Murrell / Young children from Barangay Tagabinet having a nature walk around Ugong Rock, Palawan, the Philippines.

Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) on territorial patrol on track, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Juergen & Christine Sohns / Black-footed Penguin (Spheniscus demersus) pair on beach, Betty's Bay, Stony Point Nature Reserve, South Africa

Benjamin Olson / Gentoo Penguin (Pygoscelis papua) wading, Antarctica

Sue Daly / Close-up of a Seven rayed starfish (Luidia ciliaris) moving over the seabed, showing use of its tube feet to walk, Sark, British Channel Islands, UK, August.

Sue Daly / Seven rayed starfish (Luidia ciliaris) moving over the seabed, showing use of its tube feet to walk, Sark, British Channel Islands, UK, August.

Rob Drummond/ BIA / Pied Oystercatcher (Haematopus longirostris), Victoria, Australia

Greg Oakley/ BIA / Red-capped Plover (Charadrius ruficapillus) on beach, New South Wales, Australia

Ingo Arndt / Cheetah (Acinonyx jubatus) male walking by Burchell's Zebra (Equus burchellii) herd, Masai Mara, Kenya

Donald M. Jones / Common Raven (Corvus corax) walking in snow, western Alberta, Canada

Donald M. Jones / Common Raven (Corvus corax) walking in snow, western Alberta, Canada

Hiroya Minakuchi / African Elephant (Loxodonta africana) herd walking, Amboseli National Park, Kenya

Thomas Marent / Bonobo (Pan paniscus) walking through water, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo

Roland Seitre / Svalbard Reindeer (Rangifer tarandus platyrhynchus) male, Spitsbergen, Svalbard, Norway

Roland Seitre / Dromedary (Camelus dromedarius) mother and calf in desert, Sahara Desert, Jebil National Park, Tunisia

Steven Kazlowski / Polar bear (Ursus maritimus) sow with two juveniles walk along the ice edge during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska

Richard Du Toit / Leopard (Panthera pardus) female, Chobe National Park, Botswana

Thomas Marent / Indian Rhinoceros (Rhinoceros unicornis) crossing road near tourists, Kaziranga National Park, Assam, India

Mark Raycroft / White-tailed Deer (Odocoileus virginianus) buck in winter

Steven Kazlowski / Polar bear (Ursus maritimus) sow with a pair of cubs walk on a barrier island during autumn freeze up, Bernard Spit, North Slope, Arctic coast of Alaska, September

Steven Kazlowski / Polar bear (Ursus maritimus) sow with a pair of cubs walk on a barrier island during autumn freeze up, Bernard Spit, North Slope, Arctic coast of Alaska, September

Ingo Arndt / Grizzly Bear (Ursus arctos horribilis) cub on mothers back walking on tidal flats, Lake Clark National Park, Alaska

Donald M. Jones / Brown Bear (Ursus arctos) walking, Canada

D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) male, Central Highlands, Tasmania, Australia

Denis-Huot,Denis-Huot / Kori bustard (Ardeotis kori) walking in grass burnt in bushfire, Masai-Mara Game Reserve, Kenya

Denis-Huot,Denis-Huot / Leopard (Panthera pardus) looking for prey, Masai-Mara Game Reserve, Kenya

Tim Fitzharris / Gray Wolf (Canis lupus) pack walking in snow, Montana

Ernie Janes,Ernie Janes / RSPB Nature reserve at Titchwell Marsh Norfolk, May

Kevin Schafer / Black-footed Penguin (Spheniscus demersus) group walking near huge stones, Boulders Beach, Cape Peninsula, South Africa

Graham Eaton,Graham Eaton / Dog chasing and disturbing a flock of Knot (Calidris canutus) on a beach, Hoylake, Wirral

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) troop walking down dirt road, vulnerable, Berenty Private Reserve, Madagascar

Duncan Usher / Western Lowland Gorilla (Gorilla gorilla gorilla) mother walking with young holding on, Arnhem, Netherlands

Paul Harris / 2020VISION / Visitors on a nature walk whilst attending the Black Country Living Landscapes Wildlife Roadshow, Sandwell Park Farm, West Bromwich, West Midlands, England, UK, August 2011. 2020VISION Book Plate. Did...

Michael Quinton / Red Fox (Vulpes vulpes) walking in snow, Alaska

Chadden Hunter / King penguins (Aptenodytes patagonicus) walk along beach, South Georgia. Taken on location for BBC Frozen Planet series, 2008

Peter Cairns / 2020VISION / Family on nature walk at RSPB Forsinard Flows with flowering gorse bush in the foreground, Flow country, Caithness, Highland, Scotland, UK, June 2011

Peter Cairns / 2020VISION / Family on guided walk with RSPB Volunteer, Forsinard Flows reserve, The Flow Country, Caithness, Highland, Scotland, UK, June 2011

Klaus Echle / Red fox (Vulpes vulpes) vixen 'Sophie' became accustomed to the the photographer and would allow him to walk through forest beside her, Black Forest, Germany, July. Winner of the Fritz Polking portfol...

Lisa Hoffner / Orphan baby Elephants (Loxodonta africana) being taken for a walk by their keepers. David Sheldrick Wildlife Trust Nairobi Elephant Nursery, Kenya, July 2010.

Lisa Hoffner / Young orphan Elephants (Loxodonta africana) out on a walk. David Sheldrick Wildlife Trust Nairobi Elephant Nursery, Kenya, July 2010.

Lisa Hoffner / Young orphan Elephants (Loxodonta africana) out on a walk. David Sheldrick Wildlife Trust Nairobi Elephant Nursery, Kenya, July 2010.

Bryan and Cherry Alexander / Two Emperor penguin (Aptenodytes forsteri) chicks walk away from the camera. Snow Hill Island. Antarctica, October.

Ingo Arndt / King Penguin (Aptenodytes patagonicus) group returning from the sea, Volunteer Point, Falkland Islands

Nick Upton / 2020VISION / Mallard Duck (Anas platyrhynchos) female nesting in ornamental stone flowerpot among Pansies (Viola x wittrockiana), camouflaged as people walk by. Parade Gardens Park, Bath, UK, June.

Nick Upton / 2020VISION / Mallard Duck (Anas platyrhynchos) female nesting in ornamental stone flowerpot among Pansies (Viola x wittrockiana), camouflaged as people walk by. Parade Gardens Park, Bath, UK, June.

Richard Du Toit / Burchell's Zebra (Equus burchellii) mother and foal, Kwazulu Natal, South Africa

Matthias Breiter / Kermode Bear (Ursus americanus kermodei), white morph called spirit bear, northern British Columbia, Canada

Pete Oxford / Wattled jacana (Jacana jacana) walking on leaf of Royal water lily (Victoria amazonica) savannah, Rupununi, Guyana

Ernie Janes / Domestic ferret (Mustela putorius furo) being taken out for a walk in winter, Southrepps, Norfolk, UK, November 2008

Thomas Marent / Bornean White-bearded Gibbon (Hylobates albibarbis) walking on liana, Tanjung Puting National Park, Borneo, Indonesia

Edwin Giesbers / Tiny baby Western lowland gorilla (Gorilla gorilla gorilla) attempting to walk and holding onto mother's hand. Endangered species. Captive; Apenheul zoo; the Netherlands.

Igor Shpilenok / Wolverine (Gulo gulo) walking in the snow. Wolverine's paws are large, allowing them to walk easily through deep snow. Zapovednik, Kamchatka, Russia

Suzi Eszterhas / Grevy's Zebra (Equus grevyi), Lewa Wildlife Conservation Area, northern Kenya

Ingo Arndt / Caribou (Rangifer tarandus) bull crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska

Ingo Arndt / Caribou (Rangifer tarandus) mother and calf crossing a river during summer migration, Arctic National Wildlife Refuge, Alaska

ZSSD / Sumatran Tiger (Panthera tigris sumatrae) cub, native to Sumatra

Donald M. Jones / Timber Wolf (Canis lupus) in snow, western Alberta, Canada

Carol Walker / Purebred black Friesian stallion being trained to perform the 'spanish walk', Castle Rock, Colorado, USA Model released

Donald M. Jones / Timber Wolf (Canis lupus) walking through snow, western Alberta, Canada

Gerry Ellis / Australian Sea Lion (Neophoca cinerea) female coming ashore, Kangaroo Island, Australia

Sebastian Kennerknecht / Bobcat (Lynx rufus) female walking, Santa Cruz, Monterey Bay, California

Piotr Naskrecki / Millipede close up showing body segments and legs, Mamang River Forest Reserve, Ghana

Thomas Marent / African Oil Palm (Elaeis guineensis) plantation and people, eastern Madagascar

Vincent Grafhorst / Southern Giraffe (Giraffa giraffa) silhouetted against the setting sun, Lethiau Valley, Central Kalahari Game Reserve, Botswana

Pete Oxford / Jaguar (Panthera onca) female, Cuiaba River, Pantanal, Brazil

Jasper Doest / Caribou (Rangifer tarandus) herd in snowy landscape, Abisko, Sweden

Jasper Doest / Caribou (Rangifer tarandus) in snowy landscape, Abisko, Sweden

Jasper Doest / Caribou (Rangifer tarandus) in snowy landscape, Abisko, Sweden

Suzi Eszterhas / African Lion (Panthera leo) male, Masai Mara, Kenya

Suzi Eszterhas / African Lion (Panthera leo) male walking across grassland, Masai Mara, Kenya

Luciano Candisani / King Penguin (Aptenodytes patagonicus) group on beach, Volunteer Point, East Falkland Island, Falkland Islands

Theo Allofs / Bengal Tiger (Panthera tigris tigris) 11 months old cub walking on rocky ledge in front of red cliff, April, dry season, Bandhavgarh National Park, India

Mitsuaki Iwago / Thorny Devil (Moloch horridus) walking across sand, Australia

Ingo Arndt / Pond Skater (Gerris sp) using surface tension to walk on water, a true bug of the Heteroptera suborder, Europe

Suzi Eszterhas / Polar Bear (Ursus maritimus) lone yearling on shore, Churchill, Manitoba, Canada

Matthias Breiter / Bobcat (Lynx rufus) walking in the snow, bobbed tail visible, Kalispell, Montana

Yva Momatiuk & John Eastcott / Gentoo Penguin (Pygoscelis papua) flapping wings and walking on beach in surf, evening, Cooper Bay, South Georgia Island, Southern Ocean, Antarctic Convergence

Ingo Arndt / Emperor Penguin (Aptenodytes forsteri) four walking in a line, Weddell Sea, Antarctica

Richard Du Toit / Thick-tailed Scorpion (Buthidae) walking on sand dune and casting a shadow, Namib-Naukluft National Park, Namibia

Yva Momatiuk & John Eastcott / White Rhinoceros (Ceratotherium simum) male, Lake Nakuru National Park, Kenya

Pete Oxford / Ring-tailed Lemur (Lemur catta) walking across rocks in the Andringitra Mountains, vulnerable, south central Madagascar

Pete Oxford / Ring-tailed Lemur (Lemur catta) walking across open ground, vulnerable, Berenty Reserve, southern Madagascar

Tim Fitzharris / Masai Giraffe (Giraffa tippelskirchi) portrait, Kenya

ZSSD / Western Lowland Gorilla (Gorilla gorilla gorilla) mother walking away with 48 day old baby on back, native to Africa

Mitsuaki Iwago / Masai Giraffe (Giraffa tippelskirchi) trio crossing grasslands, Serengeti National Park, Tanzania

Yva Momatiuk & John Eastcott / African Lion (Panthera leo) three month old cub climbing tree stump, Masai Mara National Reserve, Kenya

Yva Momatiuk & John Eastcott / African Lion (Panthera leo) adult male with full mane, walking in grassland, Masai Mara National Reserve, Kenya

Tim Fitzharris / African Elephant (Loxodonta africana) mother leading calf, Kenya

Tim Fitzharris / Lesser Flamingo (Phoenicopterus minor) in a mass courtship display, Kenya

Jim Brandenburg / Polar Bear (Ursus maritimus) walking across ice floes, Ellesmere Island, Nunavut, Canada

Gerry Ellis / African Elephant (Loxodonta africana) orphans with keepers, led by Natumi back to stockade, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Tim Fitzharris / Siberian Tiger (Panthera tigris altaica) walking through tall grass along water's edge

Yva Momatiuk & John Eastcott / Domestic Cattle (Bos taurus) calf walking in meadow of Texas Bluebonnets (Lupinus texensis), North America