Southern elephant seals (Mirounga leonina) hauled out for their annual catastrophic moult, Snow Island, Antarctica, Polar Regions

Female crabeater seal (Lobodon carcinophaga), Cuverville Island, near the Antarctic Peninsula, Southern Ocean, Polar Regions

Adult humpback whale (Megaptera novaeangliae) surfacing off the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions

African elephant (Loxodonta africana) juvenile and adult, Addo Elephant National Park, South Africa, Africa

Southern elephant seal (Mirounga leonina) bull mating with female, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Giraffe, Kenya, East Africa, Africa

Humpback whale (Megaptera novaeangliae) calf breach, Gulf of California (Sea of Cortez), Baja California Sur, Mexico, North America

Guadalupe fur seal (Arctocephalus townsendi), Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

Humpback Whales (Megaptera novaeangliae) blowing. Tenakee Inlet, South East Alaska

Otter, (Lutra lutra), Devon, United Kingdom, Europe

Three black bear (Ursus americanus) cubs of the year, Yellowstone National Park, Wyoming, United States of America, North America

Wild horses, Reykjanes Peninsula, Iceland, Polar Regions

Pair of Angolan Giraffes, Giraffa camelopardalis angolensis, Namibia

Lamas at Hacienda San Augustin de Callo, Lama glama, Cotopaxi National Park, Ecuador

Lamas at Hacienda San Augustin de Callo, Lama glama, Cotopaxi National Park, Ecuador

Eye of White Rhinoceros, Cerathotherium simum, Namibia

Breaching Humpback Whale, Megaptera novaeangliae, Indian Ocean, Wild Coast, South Africa

White Rhinoceros, Cerathotherium simum, Namibia

White Rhinoceros, Cerathotherium simum, Namibia

Breaching Humpback Whale, Megaptera novaeangliae, Indian Ocean, Wild Coast, South Africa

Eastern Grey Kangaroo, Macropus giganteus, Brisbane, Australia

Holy cows on streets of Dungarpur, Rajasthan, India

Aerial by drone of a Buzkashi game, Yaklawang, Afghanistan, Asia

Leopard (Panthera pardus) walking through dry grass with his tail up, Kruger National Park, South Africa, Africa

Southern elephant seal (Mirounga leonina) bull, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) bull, Peggotty Bluff, South Georgia, South Atlantic Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) bull, Peggotty Bluff, South Georgia, South Atlantic Ocean, Polar Regions

Antarctic fur seal (Arctocephalus gazella) amongst remains of the abandoned Stromness Whaling Station, South Georgia Island, South Atlantic Ocean, Polar Regions

Adult guanacos (Lama guanicoe), Torres del Paine National Park, Patagonia, Chile, South America

Adult guanacos (Lama guanicoe), Torres del Paine National Park, Patagonia, Chile, South America

Cave Myotis (Myotis velifer) in flight in captivity, Hidalgo County, New Mexico, United States of America, North America

Gun dogs, Buckinghamshire, England, United Kingdom, Europe

Swayambhu (Monkey Temple), Kathmandu, Nepal, Asia

California sea lion (Zalophus californianus), Los Islotes, Baja California Sur, Gulf of California (Sea of Cortez), Mexico, North America

Humpback whale (Megaptera novaeangliae) tail slap, Gulf of California (Sea of Cortez), Baja California Sur, Mexico, North America

Short-finned pilot whale (Globicephala macrorhynchus), Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico, North America

Long-beaked common dolphin (Delphinus capensis), Isla San Esteban, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

Bull elk (Cervus canadensis), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Four Cheetah (Acinonyx jubatus), Kgalagadi Transfrontier Park, South Africa, Africa

Humpback whale (Megaptera novaeangliae), flukes-up dive at sunset in Frederick Sound, Southeast Alaska, United States of America, North America

Harbor seals (Phoca vitulina), on ice in front of Dawes Glacier, Endicott Arm, southeast Alaska, United States of America, North America

Colourful camel riders at a Tribal festival, Sahel, Chad, Africa

Lamas at Hacienda San Augustin de Callo, Lama glama, Cotopaxi National Park, Ecuador

Breaching Humpback Whale, Megaptera novaeangliae, Indian Ocean, Wild Coast, South Africa

White Rhinoceros, Cerathotherium simum, Namibia

Breaching Humpback Whale, Megaptera novaeangliae, Indian Ocean, Wild Coast, South Africa

Humpback Whale, Megaptera novaeangliae, Indian Ocean, Wild Coast, South Africa

Eastern Grey Kangaroo, Macropus giganteus, Brisbane, Australia

Spectacled Flying Fox, Pteropus conspicillatus, Cairns, Australia

White Rhinoceros, Cerathotherium simum, Namibia

Tree squirrel (Smith's bush squirrel) (yellow-footed squirrel) (Paraxerus cepapi), Kruger National Park, South Africa, Africa

Two African Elephant (Loxodonta africana) playing while in a mud bath, Addo Elephant National Park, South Africa, Africa

Young vervet monkey (Chlorocebus aethiops), Ngorongoro Crater, Tanzania, East Africa, Africa

Great fishing bats (Noctilio leportnus) stack, Costa Rica, Central America

Antarctic fur seal (Arctocephalus gazella) pups underwater in Stromness Bay, South Georgia, South Atlantic Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) bull, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) pups, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Southern elephant seals (Mirounga leonina), Peggotty Bluff, South Georgia, South Atlantic Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) pups at sunrise, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Adult guanacos (Lama guanicoe), Torres del Paine National Park, Patagonia, Chile, South America

Fin whales (Balaenoptera physalus), Vikingbukta, Northeast Greenland, Polar Regions

Short-finned pilot whale (Globicephala macrorhynchus), Isla San Pedro Martir, Gulf of California (Sea of Cortez), Baja California Norte, Mexico, North America

Humpback Whale breaching. Icy Straits, South East Alaska

Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America

Young grayish yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris), Shoshone National Forest, Wyoming, United States of America, North America

Uinta ground squirrel (Urocitellus armatus), Yellowstone National Park, Wyoming, United States of America, North America

Elk (Cervus canadensis) calf nursing, Yellowstone National Park, Wyoming, United States of America, North America

Three black bear (Ursus americanus) cubs of the year or spring cubs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Lion (Panthera leo), Kgalagadi Transfrontier Park, South Africa, Africa

Leopard (Panthera pardus), male, Kgalagadi Transfrontier Park, South Africa, Africa

Lion (Panthera leo), Kgalagadi Transfrontier Park, South Africa, Africa

Adult blue whale (Balaenoptera musculus), sub-surface feeding off the western coast of Spitsbergen, Svalbard Archipelago, Arctic, Norway, Europe

Pair of Sable Antilopes, Hippotragus niger, Namibia

Lamas at Hacienda San Augustin de Callo, Lama glama, Cotopaxi National Park, Ecuador

Lamas at Hacienda San Augustin de Callo, Lama glama, Cotopaxi National Park, Ecuador

Breaching Humpback Whale, Megaptera novaeangliae, Indian Ocean, Wild Coast, South Africa

Verreaux's Sifaka (Propithecus verreauxi) sitting on tree in dry deciduous forest, Berenty Reserve, Southern Madagascar, Africa

North American timber wolf (Canis lupus) in forest, Wolf Science Centre, Ernstbrunn, Austria, Europe

African elephant (Loxodonta africana) mother and baby, Addo Elephant National Park, South Africa, Africa

Ring-tailed Lemur (Lemur catta) resting, Berenty, Southern Madagascar, Africa

Wood Duck (Aix sponsa) pair, Rio Grande Zoo, Albuquerque Biological Park, Albuquerque, New Mexico, United States of America, North America

Hippopotamus (Hippopotamus amphibius) in shallow water, Serengeti National Park, Tanzania, East Africa, Africa

River otter (Lutra canadensis), Yellowstone National Park, Wyoming, United States of America, North America

Fur seal at Kaikoura, Canterbury Region, South Island, New Zealand, Pacific

Black bear (Ursus americanus), Banff National Park, Alberta, Canada, North America

Southern elephant seal (Mirounga leonina) bull, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) bulls fighting at Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Reindeer (Rangifer tarandus) introduced from Norway, Stromness Bay, South Georgia Island, Polar Regions

Adult guanacos (Lama guanicoe), Torres del Paine National Park, Patagonia, Chile, South America

Introduced adult European rabbit (Oryctolagus cuniculus), New Island, Falklands, South Atlantic Ocean, South America

Humpback whale (Megaptera novaeangliae), Vikingbukta, Northeast Greenland, Polar Regions

Humpback whale (Megaptera novaeangliae), Vikingbukta, Northeast Greenland, Polar Regions

California sea lion (Zalophus californianus), Los Islotes, Baja California Sur, Gulf of California (Sea of Cortez), Mexico, North America

Humpback whale (Megaptera novaeangliae) watching in Harvey Bay, Queensland, Australia, Pacific

Long-beaked common dolphins (Delphinus capensis), Isla San Esteban, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

California gray whale (Eschrichtius robustus) calf breaching, San Ignacio Lagoon, Baja California Sur, Mexico, North America

Long-beaked common dolphins (Delphinus capensis) feeding on a bait ball with gulls and boobies, Gulf of California (Sea of Cortez), Baja California, Mexico, North America

Yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris) with nesting material, Yellowstone National Park, Wyoming, United States of America, North America

Mule deer (Odocoileus hemionus) buck in the summer, Waterton Lakes National Park, Alberta, Canada, North America

Cinnamon black bear (Ursus americanus) cub, Waterton Lakes National Park, Alberta, Canada, North America