Sebastian Kennerknecht / Snow Leopard (Panthera uncia) wild female, wet after having crossed river, in mountain valley, Uchkul River, Sarychat-Ertash Strict Nature Reserve, Tien Shan Mountains, eastern Kyrgyzstan

Pete Oxford / Konyak Naga tattooed Ang or Chief. Only someone who has killed and taken a human head can be tattooed in this manner. Mon district. Nagaland, North East India, October 2014.

Eric Baccega / Portrait of Naro San Bushman with leather headdress made of duiker skin, Kalahari, Ghanzi region, Botswana, Africa. October 2014.

Robin Chittenden / Boy looking at Green-veined White butterfly (Pieris napi) on his hand, Dorset, UK, May 2013, Model released.

Laurent Geslin / Fulani refugee showing photographer how he crossed the Senegal river in 1989, South Mauritania, West Africa, 2005

Nick Turner / Man relaxing on chair next to his barge, River Thames at Lechlade, Gloucestershire, July 2008.

Alex Mustard / Diver swimming through dense school of Silversides (Atherinidae) inside a coral cavern, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea. Model released

Jane Burton / Yellow Labrador retriever puppy lying with paws crossed, 8 weeks.

Jane Burton / Yellow Labrador Retriever pup, 8 weeks, lying with paws crossed.

Niall Benvie / Two Carrots (Daucus carota) intertwined, crossed over while they were growing, Wester Ross, Scotland, October

Anup Shah / Savanna grassland fire showing fire stopping at track which acts as fire break but has been crossed in places, Kenya, East Africa

Eric Baccega / Chimpanzee (Pan troglodytes) female sitting with arms crossed, portrait. Beauval Zoo Parc, France. Captive.

Edwin Giesbers / Malayan sun bear (Ursus malayanus) standing on rock. Captive. Native to Southeast Asia.

Eladio Fernandez / Hybrid warbler singing. Yellow-headed warbler (Teretistris fernandinae) crossed with Oriente warbler (Teretistris fornsi) Cuba.

Eladio Fernandez / Hybrid warbler, Yellow-headed warbler (Teretistris fernandinae) crossed with Oriente warbler (Teretistris fornsi) Cuba.

Eladio Fernandez / Hybrid warbler, Yellow-headed warbler (Teretistris fernandinae) crossed with Oriente warbler (Teretistris fornsi) Cuba.

Nick Hawkins / Northern gannet (Morus bassanus) courtship display, with wings crossed, Machias Seal Island, Bay of Fundy, New Brunswick, Canada, May.

Gabriel Rojo / Crossed pit viper (Bothrops alternatus) Argentina. Captive, occurs in South America.

Gabriel Rojo / Crossed pit viper (Bothrops alternatus) snake flicking tongue. Captive, occurs in South America.

Mark Taylor / Brindle-and-white Lurcher puppy, age 8 weeks, with crossed paws.

Jen Guyton / Lump of hardened earth criss-crossed with tiny tunnels signifies the presence of a termite nest inside a fairy circle in the Namib Desert, Namibia. February 2015

Jen Guyton / Lump of hardened earth criss-crossed with tiny tunnels showing the presence of a termite nest inside a fairy circle in the Namib Desert, Namibia. February 2015

Denis-Huot / Spotted hyena (Crocuta crocuta), hunting a wounded Wildebeest (Connachaetes taurinus) after it crossed the Mara river, Masai Mara game reserve, Kenya

Marie Read / American avocet (Recurvirostra americana) 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,...

Marie Read / American Avocet (Recurvirostra americana), pair copulating, Bear River Migratory Bird Refuge, Utah, USA, May.

Brent Stephenson / Weddell seal (Leptonychotes weddellii) sleeping with flippers crossed, Mikkelsen Harbour, Antarctic Peninsula, Antarctica, January.

Alex Hyde / Hybrid Sundew (Drosera x obovata), a naturally occuring hybrid (Drosera anglica crossed with Drosera rotundifolia). Dorset, UK. August.

Alex Hyde / Hybrid Sundew (Drosera x obovata), a naturally occuring hybrid (Drosera anglica crossed with Drosera rotundifolia). Dorset, UK. August.

Alex Hyde / Hybrid Sundew (Drosera x obovata), a naturally occuring hybrid (Drosera anglica crossed with Drosera rotundifolia). Dorset, UK. August.

Alex Hyde / Hybrid Sundew (Drosera x obovata), a naturally occuring hybrid (Drosera anglica crossed with Drosera rotundifolia). Dorset, UK. August.

Tom Gilks / Technicians installing panels in one of East Africa's largest Solar farms, Rwamagana District, Rwanda. July 2014. Model released.

Mark Taylor / Working English Springer Spaniel puppy, 6 weeks, lying with crossed paws.

Mark Taylor / Yellow Labrador Retriever bitch pup, 10 weeks, with a red rose and crossed paws.

Mark Taylor / Black eared white Boxer puppy, lying with head up and crossed paws, against white background

Jabruson / Hunter with gun near Dead Crowned monkey (Cercopithecus mona pogonias) caught for bush meat trade near Mbomo village, Odzala-Kokoua National Park, Republic of Congo, May 2005.

Andrew Parkinson / Tourist Vehicles stopped at a location where an adult male tiger has just crossed a forest track. Bandhavgarh National Park, India. Non-ex.

Christophe Courteau / African Buffalos (Syncerus caffer) crossing a lagoon in the Okavango Delta, at Sunset. Part of a herd of more than 2000 Buffalos which crossed the wetlands in Northern Botswana, Africa

Konstantin Mikhailov / Preserved wild hilly steppe with feather-grasses and other Graminea, wormwood, sagebrush, tulips, pasqueflower, crossed with brook valleys with alder-tree groves and thick bush, Orenburgsky State Natu...

Michel Poinsignon / Hybrid orchid crossed between Heath spotted orchid (Dactylorhiza maculata) and Small white orchid (Pseudorchis albida) Markstein Vosges, Mountains, France, July.

Roland Seitre / Panther Chameleon (Furcifer pardalis) portrait, with crossed-eyes. Captive, indigenous to Madagascar. Sequence 3

Jane Burton / Yellow Labrador Retriever pup, 8 weeks, lying with paws crossed.

Nick Upton / Aerial view of Domestic sheep (Ovis aries), resting in grassy pastureland criss-crossed by their trails Norfolk, UK, January.

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd emerging having crossed the Mara River. Masai Mara National Reserve, Kenya, September 2009

Daniel Heuclin / Bonobo (Pan paniscus) juvenile sitting with legs crossed, Congo, Central Africa, captive

Sue Flood / A bridge to cross a lead in the sea ice (with crossed flags to mark hazard) near Snow Hill Island, Weddell Sea, Antarctica November 2009

Mark Taylor / Belgian Shepherd Dog puppy, Antar, 10 weeks, lying with chin on crossed paws.

Petra Wegner / Brown sheared Standard Poodle lying down, paws crossed

Petra Wegner / Brown sheared Standard Poodle lying down with paws crossed

Pete Oxford / Banteng (Bos javanicus) cross with domestic cow. Nu River Canyon near Gongshan in Dulongjiang Prefecturate, Yunnan Province, China - locals have crossed Banteng with their cattle to make a more sturd...

Pete Oxford / Banteng (Bos javanicus) cross with domestic cow. Nu River Canyon near Gongshan in Dulongjiang Prefecturate, Yunnan Province, China - locals have crossed Banteng with their cattle to make a more sturd...

Jane Burton / Brindle and white Boxer, 9-week pup, lying down with front paws crossed *Not available for use on 2013 retail calendar covers in the USA.

Jane Burton / German Shepherd Dog / Alsatian puppy lying with paws crossed.

Jane Burton / Brittany Spaniel pup lying with crossed paws and snapping.

Jane Burton / Golden Retriever pup lying down, head up, paws crossed.

Jane Burton / Brown Roan Spinone pup, 'Wilson', 12 weeks old, lying down with paws crossed.

Jane Burton / Hungarian Vizsla bitch lying down, chin on floor and paws crossed

Jane Burton / Domestic Cat {Felis catus} 5-months, Portrait of Ragdoll crossed with Birman.

Jose Schell / Crossed phase American Red fox {Vulpes vulpes} standing in river. Anticosti Island, Canada.

Jose Schell / North American red fox in crossed colour phase, Canada

Flip Nicklin / Narwhal (Monodon monoceros) fighting males with crossed tusks, Baffin Island, Canada

Pete Oxford / Tigon - hybrid tiger-lion: offspring of male tiger crossed with lioness 'Rangini', Calcutta Zoo, India. Crippled animal

Sergey Gorshkov / Wolf (Canis lupus) pack greeting individual which just crossed river, Tver, Russia

Eric Baccega / Female white or bleached tiger (Panthera tigris) with her cub, aged 10 days. This female tiger is a hybrid crossed from a Siberian tiger and Bengal tiger, has blue eyes and white fur caused by a lack...

Eric Baccega / Newborn female white or bleached tiger cub (Panthera tigris), aged 10 days. Her parents are hybrids crossed from a Siberian tiger and a Bengal tiger, captive, France.

Eric Baccega / Female white or bleached tiger with her cub (Panthera tigris), aged 10 days. This tiger is a hybrid crossed from a Siberian tiger and a Bengal tiger, captive, France.

Onne van der Wal / Yachts racing at Key West Race Week, Florida, 2005.

Petra Wegner / Australian Shepherd dog, 8-years old, red-tricoloured, lying down with front paws crossed

Petra Wegner / Australian Shepherd dog, red-tricoloured, nose hidden under crossed paws

Pete Oxford / Head portrait of Babirusa with crossed tusks {Babyrousa babyrussa} captive

Konrad Wothe / Chimpanzee (Pan troglodytes) sitting on a branch and looking around in the rain, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzee (Pan troglodytes) sitting on a branch and looking around in the rain, Mahale Mountains National Park, Tanzania.

Suzi Eszterhas / Mountain gorilla (Gorilla gorilla beringei) silverback, sitting with arms crossed beside playing infant, as females feed around them, Volcano National Park, Rwanda. Endangered.

Mark Taylor / Border collie x Bearded collie puppy, aged 12 weeks, lying down with head up and paws crossed, portrait.

Mark Taylor / Silver tabby kitten, aged 7 weeks, lying down with paws crossed, portrait.

Joel Sartore / Photo Ark / Sumatran tiger (Panthera tigris sumatrae) lying down with paws crossed, portrait, Miller Park Zoo. Critically endangered and Federally endangered. Captive.

Andy Rouse / RF - Female African lion (Panthera leo) resting with paws crossed, Lumo Conservancy, Kenya, Africa. (This image may be licensed either as rights managed or royalty free.)

Milan Radisics / Wind turbines under a starry sky crossed by NEOWISE comet, Babolna wind farm, Babolna, Hungary, July. 2020. Hungary Nature Photographer of the Year Competition 2021 - Sustainable Energy and Nature Cat...

Milan Radisics / Wind turbine under a starry sky crossed by the Milky Way, Babolna wind farm, Babolna, Hungary. July. 2020. Hungary Nature Photographer of the Year Competition 2021 - Sustainable Energy and Nature cate...

Doug Perrine / Laysan albatross (Phoebastria immutabilis) pair in courtship with beaks crossed. Sand Island, Midway Atoll National Wildlife Refuge, Papahanaumokuakea Marine National Monument, Northwest Hawaiian Isla...

Jean E. Roche / A man in a wolf mask leaning against a tree with his arms crossed, from the 'Les souffleurs, commando poétique' company, Festival 'Les Envies Rhônements' 2018. Camargue, France.

Doug Gimesy / Portrait of Laurie Levy, Head of the Coalition Against Duck Shooting, standing on the shoreline of the Kerang Wetlands, Victoria, Australia, to protest the start of another duck hunting season. Concer...