Adult yellow-lipped sea krait (Laticauda colubrina) snake, at night on the Volivoli Resort grounds on Viti Levu, Fiji, South Pacific, Pacific

Spotted eagle rays (Aetobatus narinari) underwater at Leon Dormido Island off San Cristobal Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

CT Ticknor, staff member from the Lindblad Expedition ship National Geographic Explorer using binoculars in the Svalbard Archipelago, Norway, Arctic, Europe

King penguin (Aptenodytes patagonicus) adult and chick at breeding and nesting colony at Salisbury Plain, South Georgia, Polar Regions

Hoatzin (Ophisthocomus hoazin) perching on branch by Lake Sandoval, Tambopata National Reserve, Puerto Maldonado, Madre de Dios, Peru, South America

A Shelduck (Tadorna tadorna) pair, on Brownsea Island, a nature reserve in Poole Harbour, Dorset, England, United Kingdom, Europe

Deep blue lake in the mountains above Pia glacier, Tierra del Fuego, Chile, South America

Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

African Leopard, Pilanesberg National Park, North West Province, South Africa, Africa

Southern elephant seal (Mirounga leonina) weaner pup head detail on the beach at Gold Harbour on South Georgia, Polar Regions

Southern elephant seal (Mirounga leonina) challenger bull head detail at Gold Harbour on South Georgia Island, Polar Regions

Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

A woman birdwatching off sea cliffs on Cape Cornwall in Cornwall, England, United Kingdom, Europe

A woman birdwatching on sea cliffs on Cape Cornwall in Cornwall, England, United Kingdom, Europe

A woman birdwatching off sea cliffs on Cape Cornwall in Cornwall, England, United Kingdom, Europe

A woman birdwatching on sea cliffs on Cape Cornwall in Cornwall, England, United Kingdom, Europe