1381-144 - Salt water crocodile (crocodylus porosus) at Nandan Kanan Zoo in Bhubaneswar Odisha India. Vulnerable species according to the IUCN Red List of threatened species classification.

832-405665 - Green turtle (Chelonia mydas) with ship holder (Remora remora), dive site House Reef, Mangrove Bay, El Quesir, Egypt, Red Sea, Africa

1112-11270 - Adult Grey-headed Albatross (Thalassarche chrysostoma) courtship display at Elsehul, South Georgia

832-405554 - Emperor penguins, Aptenodytes forsteri, Pair with Chicks, Snow Hill Island, Antartic Peninsula, Antarctica

832-405552 - Emperor penguins, Aptenodytes forsteri, with a Chick, Snow Hill Island, Antartic Peninsula, Antarctica

832-405598 - Southern giraffe (Giraffa camelopardalis giraffa), adult, drinking, at the water, Kruger National Park, Kruger National Park, Krugerpark, South Africa, Africa

832-405555 - Emperor penguins (Aptenodytes forsteri), Pair with Chick, Snow Hill Island, Antartic Peninsula, Antarctica

832-405553 - Emperor penguins, Aptenodytes forsteri, Adult Protecting her Chick on her Feet, Snow Hill Island, Antartic Peninsula, Antarctica

832-405599 - Southern giraffe (Giraffa camelopardalis giraffa), adult, at the water, Kruger National Park, Kruger National Park, Krugerpark, South Africa, Africa

832-405488 - Elephant (Loxodonta africana), giraffe (Giraffa camelopardalis), steppe, aridity, drought, climate change, safari, tourism, travel, Savuti region, Chobe National Park, Botswana, Africa

1112-10887 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

1112-10886 - The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

743-2293 - Great white egret (Ardea alba), Zimanga Game Reserve, South Africa, Africa

1112-10571 - A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

1112-10348 - Green Sea Turtle (Chelonia mydas) nesting site at night on Long Beach on Ascension Island, Tropical Atlantic Ocean, South Atlantic Ocean

1387-837 - Whale Shark, La Paz, Mexico.

1387-834 - Male great white shark, Guadalupe Island, Mexico.

1387-833 - Underwater photographer taking a photograph of a male great white shark, Guadalupe Island, Mexico.

1387-821 - Great white shark and divers, Guadalupe Island, Mexico.

1387-820 - Female Great White Shark, Guadalupe Island, Mexico.

832-404983 - Male lion (Panthera leo) pacing through the tall grass in the savannah, Okonjima Game Farm, Namibia, Africa

832-404980 - A herd of giraffes (Giraffa camelopardalis giraffa) in the early morning light, Okapuka Ranch, Namibia, Africa

832-404979 - A giraffe (Giraffa camelopardalis giraffa) and a white rhinoceros (Ceratotherium simum) backlit by the low morning sun, Okapuka Ranch, Namibia, Africa

832-404978 - White rhinoceros (Ceratotherium simum), Okapuka Ranch, Namibia, Africa

832-404901 - Southern giraffe (Giraffa giraffa giraffa), between trees, African savannah, Kruger National Park, South Africa, Africa

832-404893 - Lion (Panthera leo), adult female, animal portrait, lying, African savannah, Kruger National Park, South Africa, Africa

832-404894 - Southern giraffe (Giraffa giraffa giraffa), between the trees, eating leaves, African savannah, Kruger National Park, South Africa, Africa

832-404892 - African wild dog (Lycaon pictus), Kruger National Park, South Africa, Africa

860-292518 - Portrait of Green jararaca (Bothrops bilineatus) in forest, Kaw, French Guiana.

1387-690 - A nurse shark swims along a reef with a school of yellow snapper, Maldives.

1387-661 - An oceanic whitetip shark approaches from the blue waters around Elphinstone, Red Sea.

1387-662 - An oceanic whitetip shark soars through the water, Red Sea.

1387-660 - Great White Shark at Guadalupe Island, Mexico.

1387-658 - Crocodile under water, Caribbean Sea, Mexico.

1387-657 - A crocodile approaches slowly over the sand, Caribbean Sea, Mexico.

1387-655 - A large crocodile lurks on the bottom of the sea, Caribbean Sea, Mexico.

1387-656 - A crocodile stalking its prey, Caribbean Sea, Mexico.

1387-651 - A thorny seahorse clings to an algae stock, Anilao, Philippines.

1387-268 - A large black-blotched stingray (Taeniura meyeni) swims in deep water near Cocos Island, Costa Rica. This remote island is home to an incredible variety of marine life.

1387-196 - Detail of anchor coral tentacles (Euphyllia sp.) growing on a reef in Indonesia. This area is known for its high marine biodiversity.

1387-150 - Gray reef shark, Papua New Guinea, Pacific

1387-149 - Gray reef shark with remora, Papua New Guinea, Pacific

1387-134 - Whitetip reef sharks (Triaenodon obesus) resting on the ocean floor, Hawaii, United States of America, Pacific, North America

1387-133 - Blacktip reef sharks (Carcharhinus melanopterus), Yap, Micronesia, Pacific

1387-101 - A hawksbill turtle (Eretmochelys imbricata), swims over a reef in the Pacific Ocean, Philippines, Southeast Asia, Asia

1387-31 - Blacktip reef shark (Carcharhinus melanopterus), Yap, Micronesia, Pacific

1387-29 - A nurse shark (Ginglymostoma cirratum) pictured with a school of juvenile jacks. Bahamas, Central America

1387-30 - A female blacktip reef shark (Carcharhinus melanopterus), off the island of Yap, Micronesia, Pacific

1387-26 - A great white shark (Carcharodon carcharias), breaks the surface off Guadalupe Island, Mexico, North America

1387-13 - A sperm whale (Physeter macrocephalus), slapping the water with its tail fluke, Sri Lanka, Indian Ocean, Asia

1387-1 - A male bull shark (Carcharhinus leucas), Beqa Lagoon, Viti Levu, Fiji, South Pacific, Pacific

1116-53308 - Portrait of a Polar bear (Ursus maritimus) lying in the snow looking out from behind a snowbank, Churchill, Manitoba, Canada

1116-53307 - Polar bear (Ursus maritimus) in the snow at twilight in the Canadian arctic, Churchill, Manitoba, Canada

1116-53305 - Polar bear (Ursus maritimes) lying down in the snow, Churchill, Manitoba, Canada

1116-53306 - Portrait of a Polar bear (Ursus maritimus) sitting in snow on the Canadian tundra, Churchill, Manitoba, Canada

1116-53299 - Portrait of a polar bear (Ursus maritimes) standing in the snow looking at the camera, Churchill, Manitoba, Canada

1116-53298 - Polar bears (Ursus maritimus) running in the snow, Churchill, Manitoba, Canada

1116-53295 - Polar bears (Ursus maritimes) walking on the snow, Churchill, Manitoba, Canada

1116-53099 - Submerged alligator (Alligator mississippiensis) is only visible with his armored back poking above placid waters as he hunts on the muddy bottom of the Okefenokee Swamp. The reptiles skin has embedded bony plates called osteoderms or scutes. Alligator populations are considered to have recovered from overharvesting pressures through supplemental farming practices and protections placed on wild animals. However, the species is still federally listed as threatened because it looks like the American crocodile, which is endangered, Georgia, United States of America

1358-425 - Galapagos Land Iguana (Conolophus subcristatus), large lizard can can grow to five feet long and live for 60 years, South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

743-2155 - African hoopoe (Upupa africana), Zimanga game reserve, KwaZulu-Natal, South Africa

743-2150 - Ground hornbill (Bucorvus leadbeateri) in flight, Chobe National Park, Botswana, Africa

860-292184 - Sword-billed Hummingbird (Ensifera ensifera), female, confronting a Buff-tailed Coronot (Boissonneaua flavescens), Colombia

860-292170 - Jaguar showing teeth (Panthera onca) is a wild cat species and the only extant member of the genus Panthera native to the Americas. Pantanal, Mato Grosso, Brazil

1116-52885 - Close-up portrait of an oystercatcher bird (Haematopus) standing on a rock covered in yellow, orange colored seaweed, on a summer day in Prince William Sound, Alaska, United States of America

832-403328 - Lion (Panthera leo) . Two males. Walking. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403327 - Lion (Panthera leo) . Male. Resting on the ridge of a grass-grown sand dune. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403326 - Lion (Panthera leo) . Female. Jumping over the muddy part of a waterhole. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403324 - Lion (Panthera leo) . Male doing the flehmen response. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403325 - Lion (Panthera leo) . Pair at a waterhole. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403323 - Lion (Panthera leo) . Subadult male. Yawning. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403299 - Southern giraffe (Giraffa camelopardalis giraffa), semi-adult juvenile, subadult, foraging, Kruger National Park, South Africa, Africa

832-403298 - Southern giraffe (Giraffa camelopardalis giraffa), semi-adult juvenile, subadult, foraging, Kruger National Park, South Africa, Africa

832-403297 - Southern giraffe (Giraffa camelopardalis giraffa), adult, feeding, foraging, Kruger National Park, South Africa, Africa

832-403296 - Southern giraffe (Giraffa camelopardalis giraffa), adult, walking, foraging, Kruger National Park, South Africa, Africa

832-403295 - Southern giraffe (Giraffa camelopardalis giraffa), adult, feeding, Kruger National Park, South Africa, Africa

832-403285 - White rhinoceros (Ceratotherium simum), adult, running, two animals, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403284 - White rhinoceros (Ceratotherium simum), adult, at the water, two animals, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403283 - White rhinoceros (Ceratotherium simum), adult, foraging, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403281 - White rhinoceros (Ceratotherium simum), adult, at the water, running, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403282 - White rhinoceros (Ceratotherium simum), adult, at the water, drinking, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403280 - White rhinoceros (Ceratotherium simum), adult, in water, bathing, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403279 - White rhinoceros (Ceratotherium simum), adult, at the water, drinking, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403278 - White rhinoceros (Ceratotherium simum), adult, portrait, drinking, by water, Sabi Sand Game Reserve, Kruger National Park, South Africa, Africa

832-403268 - African wild dog (Lycaon pictus), adult alert, resting, Kruger National Park, South Africa, Africa

832-403008 - White rhinoceros, white rhino or square-lipped rhinoceros (Ceratotherium simum) covered with red soil, Kwazulu Natal Province, South Africa, Africa

832-403007 - White rhinoceros, white rhino or square-lipped rhinoceros (Ceratotherium simum) covered with red soil, Kwazulu Natal Province, South Africa, Africa

832-402959 - Maned lion (Panthera leo) in the grass savannah, Maasai Mara Game Reserve, Kenya, Africa

832-402958 - Maned lion (Panthera leo) in the rain in the grass savannah, Maasai Mara Game Reserve, Kenya, Africa

832-402957 - Maned lion (Panthera leo) in the rain in the grass savannah, Maasai Mara Game Reserve, Kenya, Africa

832-402956 - Maned lion (Panthera leo) after sunrise in the grass savannah, Maasai Mara Game Reserve, Kenya, Africa

832-402955 - Maned lion (Panthera leo) after sunrise in the grass savannah, Maasai Mara Game Reserve, Kenya, Africa

832-402954 - Maehnenloewe (Panthera leo) drinking from a river, Maasai Mara Game Reserve, Kenya, Africa

832-402848 - Polar bear (Ursus maritimus) striding through the snow with her two cubs, Wapusk National Park, Manitoba, Canada, North America

832-402284 - Lioness (Panthera leo) on tree, Tarangire National Park, Tanzania, Africa

832-402285 - Lioness (Panthera leo) on tree, Tarangire National Park, Tanzania, Africa

832-402275 - Red-billed oxpecker (Buphagus erythrorhynchus), on masai giraffe (Giraffa tippelskirchi), Tarangire National Park, Tanzania, Africa

832-402276 - Masai giraffe (Giraffa tippelskirchi), animal portrait, hidden behind acacia bush, Tarangire National Park, Tanzania, Africa

832-402274 - Masai giraffe (Giraffa tippelskirchi), bull, Ndutu Conservation Area, Tanzania, Africa

832-402273 - Masai giraffe (Giraffa tippelskirchi), eating from acacia tree, dorsal view, Ndutu Conservation Area, Tanzania, Africa