Rolf Nussbaumer / Dung Beetle (Scarabaeinae) adult rolling dung ball. Laredo, Webb County, South Texas, USA Not available for ringtone/wallpaper use.

Theo Bosboom / Powerful waves rolling in at the Atlantic coast of Iceland near Dyrholey during a powerful winter storm. February 2016

Lucas Bustamante / Sri Lankan leopard (Panthera pardus kotiya) rolling on its back, Yala National Park, Sri Lanka

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) swimming showing belly, Troms, Norway, January.

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) showing belly and blowing, Troms, Norway, January.

Claudio Contreras / Caribbean Flamingo (Phoenicopterus ruber) rolling egg to side in the nest, Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, June, June, Finalist in the Portfolio Category of the Terre Sauvag...

Jim Manthorpe / Close-up of a Common otter (Lutra lutra) grooming and rolling in seaweed, Western Scotland. March.

Brian Bevan / Grey seal (Halichoerus grypus) pup trying to suckle, Norfolk, England, UK, January.

Dave Watts / Female Western grey kangaroo (Macropus fuliginosus) rolling with a large joey in her pouch, Kangaroo Island, South Australia.

Dave Watts / Female Australian sea lion (Neophoca cinerea) scratching and rolling on a beach, Seal Bay Conservation Area, Kangaroo Island, South Australia.

Roy Mangersnes / Juvenile female Polar bear (Ursus maritimus) rolling, playing with ice in a fjord, Svalbard, Norway, March.

Christophe Courteau / Mountain gorilla (Gorilla gorilla beringei) playing, rolling down a slope, part of the Amahoro Gorilla Group, Volcanoes National Park, Rwanda.

Rolf Nussbaumer / Dung Beetle (Scarabaeinae) adult rolling dung ball. Laredo, Webb County, South Texas, USA Not available for ringtone/wallpaper use.

Theo Bosboom / Powerful waves rolling in at the Atlantic coast of Iceland near Dyrholey during a powerful winter storm. February 2016

Lucas Bustamante / Sri Lankan leopard (Panthera pardus kotiya) rolling on its back, Yala National Park, Sri Lanka

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) swimming showing belly, Troms, Norway, January.

Espen Bergersen / Aerial shot of a Humpback whale (Megaptera novaeangliae) showing belly and blowing, Troms, Norway, January.

Claudio Contreras / Caribbean Flamingo (Phoenicopterus ruber) rolling egg to side in the nest, Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, June, June, Finalist in the Portfolio Category of the Terre Sauvag...

Jim Manthorpe / Close-up of a Common otter (Lutra lutra) grooming and rolling in seaweed, Western Scotland. March.

Brian Bevan / Grey seal (Halichoerus grypus) pup trying to suckle, Norfolk, England, UK, January.

Dave Watts / Female Western grey kangaroo (Macropus fuliginosus) rolling with a large joey in her pouch, Kangaroo Island, South Australia.

Dave Watts / Female Australian sea lion (Neophoca cinerea) scratching and rolling on a beach, Seal Bay Conservation Area, Kangaroo Island, South Australia.

Roy Mangersnes / Juvenile female Polar bear (Ursus maritimus) rolling, playing with ice in a fjord, Svalbard, Norway, March.

Christophe Courteau / Mountain gorilla (Gorilla gorilla beringei) playing, rolling down a slope, part of the Amahoro Gorilla Group, Volcanoes National Park, Rwanda.

John & Mary-Lou Aitchison / Female European otter (Lutra lutra) on a rock grooming her cub before rolling over and scent marking, Scotland, UK, November.

Wim van den Heever / Leopard (Panthera pardus) male rolling on a rock. Greater Kruger National Park, South Africa, July.

Igor Shpilenok / Young female Kamchatka brown bear (Ursus arctos beringianus) playing with oil drum, Kronotsky Nature Reserve, Kamchatka, Far East Russia. May. These bears can develop addiction to sniffing the aviatio...

Gabriel Rojo / Puma (Puma concolor) rolling on back, Torres del Paine National Park, Chile, June.

Juan Carlos Munoz / Lavender (Lavandula angustifolia) fields, Valensole Plateau, Alpes Haute Provence, France, June.

Cyril Ruoso / Oilseed rape (Brassica napus) fields in flower, Burgundy, France, May.

Simon Colmer / Dung beetle (Scarabaeidae) rolling dung, Malawi. November.

Pascal Kobeh / Divers are setting up concrete reef balls to build an artificial reef, Philippines, Sulu Sea. August 2014.

Andy Rouse / Bengal tiger (Panthera tigris tigris) 11 month cubs play fighting, Ranthambhore National Park, India.

Edwin Giesbers / Barbary ground squirrels (Atlantoxerus getulus) fighting, Fuerteventura, Canary Islands. Introduced from North Africa.

Steven Kazlowski / Polar bear (Ursus maritimus) young bear rolling around in the snow, on newly formed pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska

Paul Hobson / Otter (Lutra lutra) female grooming in seaweed, Mull, Scotland, UK, September.

Ross Hoddinott / Rural view of rolling countryside with grazing cattle, near Frome, Somerset, UK. July 2014.

Gavin Hellier / Man and boy feeding undyed fabric into a washing and rolling machine in a sari garment factory, Rajasthan, India, 2011.

Gavin Hellier / Timelapse of advection fog rolling in under the Golden Gate Bridge, San Francisco, California, USA, 2011.

Roland Seitre / Eastern Wolf (Canis lupus) showing submissive behavior to dominant individual, Omega Park, Montebello, Quebec, Canada

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) mother lying on back and holding baby age one year. Parc National des Volcans, Rwanda. Endangered species

Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) juvenile rolling around on newly formed pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Eric Baccega / Grizzly bear cub (Ursus arctos horribilis) resting in the sedges, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June.

Mark Taylor / Tabby male kitten, Fosset, 3 months old, rolling playfully on his back.

Ross Hoddinott / Colmers Hill in morning mist, near Bridport, Dorset, UK. September 2012.

Andy Rouse / Polar bear (Ursus arctos maritimus) mother rolling in snow watched by new year cubs, 6 months old, Svalbard, Arctic

Guy Edwardes / 2020VISION / Dawn mist and rolling chalk downland viewed from Wilmington Hill, Wilmington, South Downs National Park, East Sussex, England, UK, July 2011

Guy Edwardes / 2020VISION / Rolling chalk downland and arable farmland viewed from Wilmington Hill, Wilmington, South Downs National Park, East Sussex, England, UK, July.

Ernie Janes / Large crop of Carrots growing in field with stack of round straw bales, Norfolk, UK, November

John MacPherson / 2020VISION / Bottlenose dolphin (Tursiops truncatus) adult spy-hopping, rolling over backwards, Moray Firth, Inverness-shire, Scotland, UK, August

Carol Walker / Wild horse / mustang, mare rolling, Pryor Mountains, Montana, USA, July

Mark Taylor / Birman-cross kitten playfully rolling.

Mark Taylor / Two ginger kittens rolling playfully on their sides.

Mark Taylor / Black kitten, 7 weeks, rolling on its back.

Peter Cairns / 2020VISION / Silhouette of Rock ptarmigan (Lagopus mutus) perched on rock against winter sun, Cairngorms NP, Highlands, Scotland, UK, February. Photographer quote: 'At -20c and with fog rolling across the mountain...

Tony Heald / Spotted Hyaena (Crocuta crocuta) rolling in Devil's Thorn flowers (Tribulus terrestris). Etosha National Park, Namibia, January.

Jerry Monkman / A kayaker plays in a hole in Tariffville Gorge on the Farmington River in Tariffville, Connecticut. Class III whitewater. May 2007. Model released.

Floris van Breugel / Tehachapi mountains at sunrise, with rolling golden hills and oak trees, California, USA. April 2009

Steven Kazlowski / Polar bear (Ursus maritimus) young male playing / rolling around in the snow along a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) portrait of curious young male, covered in snow from rolling around / playing. On a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National...

Steven Kazlowski / Polar bear (Ursus maritimus) young boar playing / rolling around in the snow along a barrier island during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska

Guy Edwardes / Sunrise over "The Belvedere" (Tuscan farmhouse) and the Val d'Orcia, San Quirico d'Orcia,Tuscany, Italy April 2010

Steven Kazlowski / Polar bear (Ursus maritimus) juvenile shaking off snow after rolling around on the pack ice, arctic coast, 1002 area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea

Peter Lewis / Sunset over fields of Common poppies (Papaver rhoeas) South Downs, West Sussex, England. June 2009

Andy Rouse / Polar bear (Ursus maritimus) mother rolling in snow watched by new year cubs, 6 months, pink tint of fur caused by snow algae, Svalbard, Norway, July 2007

Wild Wonders of Europe / Popp / Colourful rolling hills along the border region to Azerbaijan, David Gareji Nature Reserve, Georgia, May 2008 WWE BOOK PLATE.

Wild Wonders of Europe / Popp / Colourful rolling hills along the border region to Azerbaijan, David Gareji Nature Reserve, Georgia, May 2008

Wild Wonders of Europe / Popp / Colourful rolling hills along the border region to Azerbaijan, David Gareji Nature Reserve, Georgia, May 2008 WWE OUTDOOR EXHIBITION Wild Wonders kids book.

Guy Edwardes / Juvenile Grey Seal {Halichoerus grypus} rolling on sand, waving flipper, Donna Nook, Lincolnshire, England, January

Wild Wonders of Europe / Geslin / Grey seal (Halichoerus grypus) rolling over, with sand being blown by wind, Donna Nook, Lincolnshire, UK, November 2008

Shattil & Rozinski / Brown bear (Ursus arctos) mother grazing while cub rolls on the ground, Alaska, USA

Andy Rouse / Polar bear (Ursus maritimus) rolling on ice, Canada

Steven Kazlowski / Polar bear (Ursus maritimus) cub rolling around on the pack ice, holdind its head. Arctic National Wildlife Refuge, Alaska

Nick Garbutt / Polar Bear Cub (7-8 months) (Ursus maritimus) investigating photographer through wire fence. Lodge on the shores of Hudson Bay, Canada (Sept).

Niall Benvie / Wave rolling into Saligo Bay, Islay, Argyll, Scotland, UK. February

Niall Benvie / Wave rolling into Saligo Bay, Islay, Argyll, Scotland, UK. February

Niall Benvie / Wave rolling into Saligo Bay, Islay, Argyll, Scotland, UK. February

Pete Oxford / Giraffe Weevil (Trachelophorus giraffa) only the males have this extraordinary neck like a mechanical digger, females are more modestly proportioned, Analamazoatra Special Reserve or Perinet, Madagasc...

ZSSD / African Lion (Panthera leo) two cubs playing together, native to Africa

Tony Heald / Common zebra {Equus quagga} rolling on ground, dustbathing, Etosha national park, Namibia.

John Waters / Mute Swan {Cygnus olor} female on nest, rolling eggs, Somerset, UK.

Jean E. Roche / Wild Camargue horses - dark foal rolling in sand {Equus caballus} Camargue, France, Europe

Kim Taylor / Green Dung Beetle (Garreta nitens) rolling a dung ball. Namibia, Africa.

Andrew Parkinson / Flightless dung beetle {Circellium bacchus) female rolling buffalo dung to lay egg in S Africa

Andrew Parkinson / Flightless dung beetle {Circellium bacchus} female rolling buffalo dung ball to lay egg in , Addo Elephant park, South Africa

Rolf Nussbaumer / Dung beetle rolling dung ball {Canthon sp} Texas, USA.

Konrad Wothe / Mountain Gorilla (Gorilla gorilla beringei) baby rolling on forest floor, Virunga National Park, Congo

Mitsuhiko Imamori / Dung Beetle (Scarabaeidae) rolling dung ball, Kenya

Mitsuhiko Imamori / Dung Beetle (Scarabaeidae) rolling dung ball, Kenya

Mark Moffett / African Scarab Beetle (Circellium bacchus) rolling dung ball, Addo National Park, South Africa

Mark Moffett / African Scarab Beetle (Circellium bacchus) rolls animal dung into balls which are buried and fed upon by its larvae, South Africa

Mitsuaki Iwago / Hippopotamus (Hippopotamus amphibius) mother wallowing with her young, Kenya

Peter Blackwell / Common zebra rolling at sunset / dusk {Equus quagga} Amboseli NP, Kenya, East Africa

Thomas Mangelsen / Polar Bear (Ursus maritimus) rolling in snow, Hudson Bay, Churchill, Manitoba, Canada

Patricio Robles Gil / Fog rolling over cloud forest, Altas Cumbres Protected Area, Tamaulipas, Sierra Madre Oriental, northeast Mexico

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) young Panda playing with basket, at the China Conservation and Research Center for the Giant Panda, Wolong Nature Reserve, China

Konrad Wothe / Polar Bear (Ursus maritimus) rolling in snow, Hudson Bay, Canada

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) group wallowing in seasonal pool on caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Mark Payne-Gill / Three banded armadillo {Tolypeutes tricinctus} rolling up into / unrolling from a ball for defense, captive

Mark Payne-Gill / Three banded armadillo rolling up into defensive ball {Tolypeutes tricinctus}. Very tough skin consists of double layer of horn and bone

Mark Payne-Gill / Three banded armadillo rolling up into defensive ball {Tolypeutes tricinctus}

David Noton / Panoramic - rolling farmland, Brecon Beacons near Talybont, Usk Valley, Powys, Wales, UK

Anup Shah / Common zebra rolling on back having dust bath {Equus quagga} Masai Mara NR Kenya

Charlie Summers / American badger (Taxidea taxus) rolling on the side of the mound that marks the entrance to its burrow. North Park, Colorado, USA, June.

Charlie Summers / White-tailed prairie dog (Cynomys leucurus) youngsters playing on top of burrow, Arapaho National Wildlife Refuge of North Park, Colorado.

Charlie Summers / Ruddy duck (Oxyura jamaicensis) female rolling on her side as she preens. Image taken on an Arapaho National Wildlife Refuge pond in North Park, Colorado.

George Sanker / Grizzly bear (Ursus arctos horribilis) female with sub-adult cub rolling on back, in grassland. Yellowstone National Park, Wyoming, USA. June.

Rod Williams / Northern / Chinese white-cheeked gibbon (Nomascus leucogenys) female head portrait, Laos, Vietnam, critically endangered species. Captive.

Rod Williams / Young female Northern White-cheeked Crested Gibbon (Nomascus leucogenys) Northern Vietnam. Critically Endangered. Captive

Rod Williams / Male Northern White-cheeked Crested Gibbon (Nomascus leucogenys) Part of female visible top right, Northern Vietnam. Critically Endangered. Captive

Rod Williams / White cheeked concolor {Hylobates concolor leucogenys} female, captive, from Laos, Vietnam

Rod Williams / White cheeked gibbon, male {Hylobates concolor leucogenys} endangered, captive, from Vietnam and Laos

Xu Jian / White cheeked gibbon feeding in tree {Hylobates concolor leucogenys} Yunnan China