Reptiles

Reptiles are found worldwide on land, and in both fresh and salt water. Marine reptiles range from sea snakes to sea turtles, crocodiles and iguanas.

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Sea turtles may have survived the planetary changes that killed the dinosaurs, but now they are threatened by fisheries. It's estimated that some 4,600 sea turtles are killed by fishing nets and hooks every...
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“It is strange to think of a sea turtle as an ecosystem,” says Amanda...
No iguana wants to be cooked alive on a hot rock and then served up as dinner...
Endangered Pacific leatherback sea turtles now have nearly 42,000 square miles...

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Kemp's ridley sea turtles ( Lepidochelys kempii ) often emerge from their nests during the day, which is a rare (and dangerous) thing for sea turtle hatchlings! They are the most critically endangered sea turtle species in the...
One of the biggest threats to sea turtles, such as the loggerhead turtle (...
Every year, at the same place and time, thousands of female Kemp's ridley...

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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...
A diet of algae and seagrasses gives this turtle ( Chelonia mydas ) greenish colored fat—and its name. Weighing as much as 500 pounds, the threatened green sea turtle lives its life at sea, with only...
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...
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...
"As part of a site fidelity and migration study, this Hawksbill Sea Turtle has a small transmitter that sends its positions to orbiting satellites so that scientists can learn more of their habitat...
Loggerhead turtles ( Caretta caretta ) are named for their large heads and strong jaws, which allow them to eat prey with hard shells, like big marine snails. They live throughout the world’s warm...
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...
Kemp's ridley sea turtles ( Lepidochelys kempii ) often emerge from their nests during the day, which is a rare (and dangerous) thing for sea turtle hatchlings! They are the most critically...
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...
One of the biggest threats to sea turtles, such as the loggerhead turtle ( Caretta caretta ) pictured here, is being accidentally caught and killed in fishing nets. Trapped in a net, the turtles are...
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...
An abandoned fishing net carrying 17 dead sea turtles was discovered off the coast of Bahia, Brazil days after a storm. One of the biggest threats to sea turtles is being accidentally caught and...
A heavily oiled Kemp's Ridley turtle recovered near the Deepwater Horizon/BP accident site.
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...
These baby olive ridleys ( Lepidochelys olivacea ) will eventually provide a home to crustaceans, mollusks, and other epibionts. That's according to a survey of epibionts living on mature, nesting...
“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…...
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...
The Island Leaf-Toed Gecko ( Phyllodactylus insularis ) is one of several species of geckos that live in the mangroves of the Caribbean’s Mangal Cay. More about mangroves can be found in our...
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...
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