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The Kemp’s ridley is a “riddler” among sea turtles . Although the species was initially recognized in 1880, scientists didn't know where it nested until 80 years later, when a film documenting about 40,000...
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How do we know where ocean animals swim day and night? Scientists are getting...
A young Kemp's ridley sea turtle ( Lepidochelys kempii ) recovers at the...
These baby olive ridleys ( Lepidochelys olivacea ) will eventually provide a...

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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 dragged through the water with...
Every year, at the same place and time, thousands of female Kemp's ridley...
Like other sea snakes , the turtle-headed sea snake ( Emydocephalus...

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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 spectacled caiman (Caiman crocodiles) patrols a salty pond at the Smithsonian Institution’s research station in Bocas del Toro, Panama. A bony ridge between its eyes gives it the appearance 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...
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...
Green turtles ( Chelonia mydas ) live in the warm coastal waters of tropical and subtropical oceans. Adults sometimes eat sponges, salps (floating jelly-like animals), and jellyfish, but they feed...
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...
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...
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 International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory of the global conservation status of plants and animals. In a 2010 study ,...
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...
Sea turtles face many obstacles throughout their lives—net entanglement, light pollution, mistaking plastic for food—among the many that are caused by humans. Get a glimpse of what goes on behind-the...
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...
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...
Every year, at the same place and time, thousands of female Kemp's ridley sea turtles ( Lepidochelys kempii ) come ashore to nest and lay their eggs on the beach. This mass nesting event is known as...
“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...
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...
The Aldabra Atoll site in the Seychelles was inscribed on the World Heritage List in 1982. The site is comprised of a coral reef surrounding four large coral islands, which enclose a shallow lagoon...
There are seven species of sea turtles, which are marine reptiles that need to breathe air to survive. Six of the seven species are found in US waters, and the flatback turtle is only found in the...
An American crocodile ( Crocodylus acutus ) resting on a bed of seagrass . These medium-sized crocodiles are most commonly found in mangrove -lined estuaries and saltwater lagoons between the...
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