1112-9537 - Adult Magellanic penguin (Spheniscus magellanicus) at a breeding site on Peninsula Valdez, Patagonia, Argentina, South America

1112-9522 - Southern right whale (Eubalaena australis) mother and calf near whale watching boat in Puerto Pyramides, Argentina, South America

1363-33 - Polar bear on ice looking at camera, Svalbard and Jan Mayen, Norway, Polar Regions

1131-2225 - Four month old Harpy eagle chick (Harpia harpyja), testing its wings in the nest, Alta Floresta, Amazon, Brazil, South America

1112-9373 - Adult Commerson's dolphin (Cephalorhynchus commersonii), surfacing in Stanley Harbor in the Falkland Islands, South America

1387-496 - A Florida manatee, Trichechus manatus latirostris, rises to the surface of Crystal River, Florida. This endangered sirenian subspecies migrates to inland rivers during the winter where water temperatures are warmer than the ocean.

1387-199 - A hawksbill sea turtle swims over a coral reef in Palau. This is an endangered species often hunted for its shell and meat.

1359-1293 - Three yellow-spotted river turtles (Podocnemis unifilis) on wooden branch on Lake Sandoval, Tambopata National Reserve near Puerto Maldonado, Tambopata Province, Madre de Dios Region, Peru, South America

1359-1283 - Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

1359-1278 - Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

1112-9089 - California sea lions (Zalophus californianus), grouped together on a channel marker off Newport Beach, California, United States of America, North America

1387-105 - A female green sea turtle (Chelonia mydas), and schooling bigeye jacks (Caranx sexfasciatus), Malaysia, Southeast Asia, Asia

1387-104 - Green sea turtle getting its shell cleaned by goldring surgeonfish off Maui, Hawaii, United States of America, Pacific, North America

1387-103 - Endangered Florida manatee (Trichechus manatus latirostris), at Three Sisters Spring in Crystal River, Florida, United States of America, North America

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

1387-99 - Endangered Florida manatee (Trichechus manatus latirostris), at Three Sisters Spring in Crystal River, Florida, United States of America, North America

1387-46 - Green sea turtles (Chelonia mydas), pulled out of the water onto Ho'okipa Beach on Maui, Hawaii, United States of America, Pacific, North America

1387-47 - Several green sea turtles (Chelonia mydas) gather at a cleaning station off West Maui, Hawaii, United States of America, Pacific, North America

1387-44 - Green sea turtles (Chelonia mydas), an endangered species, Hawaii, United States of America, Pacific, North America

1387-42 - Florida manatees (Trichechus manatus latirostris), gather at Three Sisters Springs in Crystal River, Florida, United States of America, North America

1387-41 - Florida manatees (Trichechus manatus latirostris), gather at Three Sisters Springs in Crystal River, Florida, United States of America, North America

1387-40 - A hawksbill sea turtle (Eretmochelys imbricata), in a colorful overhang on a reef in the Koro Sea, Fiji, South Pacific, Pacific

1387-33 - Group of spotted eagle rays (Aetobatis narinari), Oahu, Hawaii, United States of America, Pacific, North America

1387-27 - Grey reef sharks (Carcharhinus amblyrhynchos), at a controlled feeding of the island of Yap, Micronesia, Pacific

1387-22 - Green sea turtles (Chelonia mydas), gather at a cleaning station off West Maui, Hawaii, United States of America, Pacific, North America

1387-21 - A green sea turtle and schooling bigeye jacks, Sipadan Island, Malaysia, Southeast Asia, Asia

1382-649 - Magellanic Penguins (Spheniscus magellanicus), Tucker islets, Whiteside channel, Tierra del Fuego, Patagonia, Chile, South America

741-6624 - Cheetah (Acynonix jubatus) walking, Savuti, Chobe National Park, Botswana, Africa

741-6623 - Cheetah (Acynonix jubatus) walking, Savuti, Chobe National Park, Botswana, Africa

741-6622 - Cheetah (Acynonix jubatus) walking, Savuti, Chobe National Park, Botswana, Africa

741-6621 - Cheetah (Acynonix jubatus) walking, Savuti, Chobe National Park, Botswana, Africa

741-6619 - Lion (Panthera leo) resting, Savuti, Chobe National Park, Botswana, Africa

741-6614 - An African elephant (Loxodonta africana) chases away a lion (Panthera leo) resting along its path, Savuti, Chobe National Park, Botswana, Africa

741-6610 - A male lion (Panthera leo) feeds on an African elephant (Loxodonta africana), Savuti, Chobe National Park, Botswana, Africa

741-6607 - Portrait of a leopard (Panthera pardus), Savuti, Chobe National Park, Botswana, Africa

741-6599 - White-backed vultures (Gyps africanus) perching on a tree top, Savuti, Chobe National Park, Botswana, Africa

741-6600 - White-backed vultures (Gyps africanus) feeds on an African elephant (Loxodonta africana), Savuti, Chobe National Park, Botswana, Africa

741-6595 - Lion (Panthera leo) looking for shade, Savuti, Chobe National Park, Botswana, Africa

741-6592 - Lion pride (Panthera leo), Savuti, Chobe National Park, Botswana, Africa

741-6591 - A male lion (Panthera leo) with its cubs, Savuti, Chobe National Park, Botswana, Africa

741-6589 - Lion (Panthera leo) walking, Savuti, Chobe National Park, Botswana, Africa

741-6584 - African wild dogs (Lycaon pictus), Khwai, Okavango Delta, Botswana, Africa

741-6585 - Hippopotamuses (Hippopotamus amphibius) in the river Khwai, Okavango Delta, Botswana, Africa

741-6582 - African wild dog (Lycaon pictus), Khwai, Okavango Delta, Botswana, Africa

741-6579 - African wild dog (Lycaon pictus), Khwai, Okavango Delta, Botswana, Africa

741-6574 - Hippopotamus (Hippopotamus amphibius) in the river Khwai, Okavango Delta, Botswana, Africa

741-6565 - Alerted springboks (Antidorcas marsupialis) watching lion cubs (Panthera leo), Nxai Pan National Park, Botswana, Africa

741-6555 - African elephant (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6553 - African elephants (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6552 - African elephant (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6549 - African elephants (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6548 - African elephants (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6543 - African elephants (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6540 - African elephants (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6539 - African elephants (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6535 - African elephant (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6533 - African elephant (Loxodonta africana), Nxai Pan National Park, Botswana, Africa

741-6529 - Wildebeests (Gnu) (Connochaetes taurinus) at waterhole, Nxai Pan National Park, Botswana, Africa

1358-457 - Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over one hundred years, Santa Cruz island, Galapagos, Ecuador, South America

1387-18 - A green sea turtle (Chelonia mydas) makes its way to the surface off Maui, Hawaii, United States of America, Pacific, North America

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

1363-26 - Polar Bear on Arctic Ice, Svalbard, Norway, Arctic Ocean, Polar Regions

1116-53581 - Orangutan (Pongo species) standing on a wooden platform eating fruit in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53570 - Orangutan (Pongo species) adult and young embracing while resting on a wooden board in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53567 - Orangutan (Pongo species) adult and young sitting on wooden board, resting in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53560 - Orangutan (Pongo species) walking on a wooden board in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53557 - Orangutan (Pongo species) in a tree in Tanjung Puting National Park, Central Kalimantan, West Kotawaringin Regency, Indonesia

1116-53370 - Close-up portrait of two lappet-faced vultures (Torgos tracheliotos) standing on grass, Serengeti National Park, Tanzania, Africa

1116-53175 - Close-up detail of an African elephant's face (Loxodonta), Erinidi Park, Erongo Region, Namibia

1116-53127 - Close-up portrait of a Bengal tiger (Panthera tigris tigris) standing in the forest looking up, Madhya Pradesh, India

1116-53125 - Portrait of a Bengal tiger (Panthera tigris tigris) walking through grass in forest towards camera, Madhya Pradesh, India

1116-53126 - Close-up of a Bengal tiger (Panthera tigris tigris) lying in the forest, widely yawning, Madhya Pradesh, India

1116-53124 - Portrait of Bengal tiger (Panthera tigris tigris) walking down to a rocky waterhole, Madhya Pradesh, India

1116-53123 - Close-up portrait of Bengal tiger (Panthera tigris tigris) lying down in the grass, watching the camera, Madhya Pradesh, India

1116-53122 - Portrait of Bengal tiger (Panthera tigris tigris) lying down in the grass staring ahead into the distance, Madhya Pradesh, India

1116-53121 - Portrait of Bengal tiger (Panthera tigris tigris) lying beside waterhole, watching camera, Madhya Pradesh, India

1116-53120 - Portrait of Bengal tiger (Panthera tigris tigris) lying beside waterhole, watching camera, Madhya Pradesh, India

1116-53119 - Portrait of Bengal tiger (Panthera tigris tigris) lying on ground amongst roots in forest, looking at the camera, Madhya Pradesh, India

1116-53102 - Florida panther (Felis concolor coryi) peering down from a tree, Florida, United States of America

1116-53101 - Close-up portrait of a Florida panther (Felis concolor coryi), Florida, United States of America

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

1358-446 - Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over 100 years, on San Cristobal island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-447 - Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over 100 years, on San Cristobal island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-445 - Blue Footed Booby (Sula nebouxii), a marine bird found in the Eastern Pacific whose unusual blue feet feature in courtship rituals, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-442 - Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over 100 years, San Cristobal island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-441 - Galapagos Marine Iguana (Amblyrhynchus cristatus) Santa Cruz island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-439 - Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over 100 years, San Cristobal island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-437 - Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over 100 years, San Cristobal island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-434 - Galapagos Giant Tortoise (Geochelone chatamensis), can live to 100 years, on San Cristobal Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1184-12469 - Magdalena Island, Magallanes Region, Punta Arenas, Chile, South America

1184-12466 - Magdalena Island, Magallanes Region, Punta Arenas, Chile, South America

1184-12464 - Magdalena Island, Magallanes Region, Punta Arenas, Chile, South America

1358-431 - Lava Lizard (microlophus) on Floreana island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1358-429 - 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

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

1358-423 - Galapagos Land Iguana (Conolophus subcristatus), can grow to five feet long and live for 60 years, South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

1112-8937 - Adult San Esteban spiny-tailed iguana (Ctenosaura conspicuosa), endemic to Isla San Esteban, Baja California, Mexico, North America

1112-8928 - Boojum tree (Fouquieria columnaris), just outside Bahia de los Angeles, Baja California, Sea of Cortez, Mexico, North America

1358-418 - Giant Prickly Pear Cactus (Opuntia cacti) on South Plaza, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

1112-8897 - Osprey (Pandion haliaetus), in flight to its nest, Isla San Lorenzo, Baja California, Sea of Cortez, Mexico, North America