Southern elephant seal (Mirounga leonina) pup, called weaners once their mothers stop nursing them, South Georgia Island, Southern Ocean

Close-up portrait of a parrot, Macaw, The Maldives, Indian Ocean

Close-up of two deer in Nara, Honshu, Japan

Pigs at sunset at Sheepdrove Organic Farm, Lambourn, England, United Kingdom

Lamb suckling from its mother, the Cotswolds, Oxfordshire, United Kingdom, UK.

Bull nuzzles up to cows, Hazleton, Gloucestershire, The Cotswolds, England, United Kingdom

Elephant Seals lying on beach, Sea Lion Island, Falkland Islands

Elephant Seals, Sea Lion Island, Falkland Islands

Young couple sitting on park bench in deep snow in Tromso, Norway

Close encounters with Nurse shark on G Spot Reef, Turks and Caicos, West Indies, Caribbean, Central America

Close encounters with Nurse shark on G Spot Reef, Turks and Caicos, West Indies, Caribbean, Central America

Close encounters with Nurse shark on G Spot Reef, Turks and Caicos, West Indies, Caribbean, Central America

Close encounters with Nurse shark on G Spot Reef, Turks and Caicos, West Indies, Caribbean, Central America

The Humpback whales (Megaptera novaeangliae) named Tic-Tac-Toe and Siam diving in close proximity to kayakers who will certainly always remember this very special encounter with these giants. The absence of an engine might make it difficult for whales to perceive kayakers. St. Lawrence estuary, Canada

Camerman Peter Scoones filming Grey whale (Eschrichtius robustus) underwater with remote camera, San Ignacio lagoon, Baja California, Mexico

Minke whale (Balaenoptera acutorostrata) associating with North Sailing whale-watching boat Husavik, close to the arctic circle at the top of Iceland.

Close-up portrait of Bengal tiger (Panthera tigris tigris) lying down in the grass, watching the camera, Madhya Pradesh, India

Close-up portrait of a young male lion (Panthera leo leo) lowering head, Serengeti National Park, Tanzania, Africa

Mono, close-up portrait of a Cape Buffalo (Syncerus caffer) standing, eyeing camera in Segera, Segera, Laikipia, Kenya

View taken from behind of silhouettes of two blue wildebeest (Connochaetes taurinus) standing on the savanna watching a cheetah (Acinonyx jubatus) pass by, Serengeti National Park, Tanzania, Africa

Close-up portrait of a Canada Lynx (Lynx canadensis) looking at the camera through the branches of a Southcentral Alaska alder thicket. Lynx populations are closely linked to booms and busts in the numbers of their main prey the snowshoe hare, Alaska, United States of America

A commercial whale shark encounter with a feeder above on a canoe and a Whale Shark (Rhiniodon typus) below. This is the world's largest species of fish, Oslob, Philippines

A commercial whale shark encounter with a feeder above on a canoe and a Whale Shark (Rhiniodon typus) below. This is the world's largest species of fish, Oslob, Philippines

A commercial whale shark encounter with a feeder above on a canoe and a Whale Shark (Rhiniodon typus) below. This is the world's largest species of fish, Oslob, Philippines