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“It is strange to think of a sea turtle as an ecosystem,” says Amanda Feuerstein, program coordinator and research assistant at the Smithsonian’s National Museum of Natural History, “but they are…they have all of...
An American crocodile ( Crocodylus acutus ) resting on a bed of seagrass ...
Sea turtles may have survived the planetary changes that killed the dinosaurs,...
No iguana wants to be cooked alive on a hot rock and then served up as dinner...

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“I slowly approached this bird resting on the back of a turtle just under the surface of the water. I got the shot just before the tern flew away.” -- Nature's Best photographer, Nuno Sá. See more beautiful ocean photos in our...
The Island Leaf-Toed Gecko ( Phyllodactylus insularis ) is one of several...
A diet of algae and seagrasses gives this turtle ( Chelonia mydas ) greenish...

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There are seven species of sea turtles, which are marine reptiles that need to breathe air to survive. Six of the seven...

The Ocean Blog

Amanda Feuerstein with a nesting olive ridley ( Lepidochelys olivacea ). Feuerstein is a co-author of a study that surveyed algae, crustaceans, mollusks, and other epibionts that live on olive ridley...
No iguana wants to be cooked alive on a hot rock and then served up as dinner for a Galapagos hawk. But it turns out the marine iguanas ( Amblyrhynchus cristatus ) have a strategy that warns them of...
A giant tortoise subspecies ( Geochelone nigra vicina ) lives on Isabela Island in the Galapagos. Cerro Azul, estimated to be about 350,000 years old, is one of six volcanoes on the island.
In a 2011 study published in the Bulletin of the Peabody Museum of Natural History , researchers documented a number of different organisms living on olive ridley and green turtles in the Pacific. Of...
Unlike the other six species of marine turtle, the Australian flatback ( Natator depressus ) has a very limited distribution, found only from northern Australia to Papua New Guinea/Indonesia and it...
From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy sea horses, there are some bizarre sea creatures that live in coral reefs . In this slideshow you can explore some...
The Papahānaumokuākea site in the United States was inscribed on the World Heritage List in 2010. The site is a vast isolated cluster of small low-lying islands and atolls with its surrounding ocean...
Like other sea snakes , the turtle-headed sea snake ( Emydocephalus annulatus ) has fangs and venom. But its venom is weak so, instead of defending with a bite, the species tends to react to danger...
A young Kemp's ridley sea turtle ( Lepidochelys kempii ) recovers at the Audubon Aquarium of the Americas, after the 2010 Gulf of Mexico oil spill. Turtles were cleaned and nursed back to health with...
“I slowly approached this bird resting on the back of a turtle just under the surface of the water. I got the shot just before the tern flew away.” -- Nature's Best photographer, Nuno Sá. See more...
Leatherback sea turtles ( Dermochelys coriacea ) are listed as critically endangered by the IUCN Red List of Threatened Species. The primary threats to leatherbacks are interactions with fisheries...
I have been to this location many times, but no other photo has come out like this one composed with the sun behind a turtle’s head.” -- Nature's Best photographer, Pedro Carrillo. See more beautiful...
“As an underwater nature photographer, I struggled for a new way to bring back visions of fish and fauna. Soon I discovered that taking water out of the picture, rendering it invisible while it is...
Endangered Pacific leatherback sea turtles now have nearly 42,000 square miles of Pacific Ocean to call their own. Thanks to a decision in January 2012 by the National Marine Fisheries Service, these...
Olive ridley turtles ( Lepidochelys olivacea ) are the smallest marine turtle, living in warm waters close to shore as adults. Female olive ridleys take part in mass nestings that can involve 150,000...
How do we know where ocean animals swim day and night? Scientists are getting snapshots into the daily lives of whales , sharks , and even fish by tagging the animals to track their movements. You’ve...
Kemp’s ridley turtles ( Lepidochelys kempii ) are one of the smallest sea turtles, weighing only 100 lbs (45 kg). Adults spend most of their time in shallow coastal areas in places with mud, sand, or...
Hawksbill turtles ( Eretmochelys imbricata ) are small to medium-sized turtles, but can get as large as 200 lbs (91 kg). Adults live among healthy coral reef communities, feeding primarily on sponges...
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