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The Turtles Portal (Wikipedia)
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turtle : any of an order (Testudines synonym Chelonia) of terrestrial, freshwater, and marine reptiles that have a toothless horny beak and a shell of bony dermal plates usually covered with horny shields enclosing the trunk and into which the head, limbs, and tail usually may be withdrawn — Webster
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Turtles are reptiles of the order Testudines (or Chelonii) characterised by a special bony or cartilaginous shell developed from their ribs and acting as a shield. The order Testudines includes both extant (living) and extinct species. The earliest known members of this group date from 157 million years ago, making turtles one of the oldest reptile groups and a more ancient group than snakes or crocodilians. Of the 327 known species alive today, some are highly endangered.
Turtles are ectotherms—animals commonly called cold-blooded—meaning that their internal temperature varies according to the ambient environment. However, because of their high metabolic rate, leatherback sea turtles have a body temperature that is noticeably higher than that of the surrounding water.
Turtles are classified as amniotes, along with other reptiles, birds, and mammals. Like other amniotes, turtles breathe air and do not lay eggs underwater, although many species live in or around water. — Wikipedia
Introduction
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Swimming with turtles at Sipadan, Borneo (Tim Ecott, Wonderlust)
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How Do Sea Turtles Find the Exact Beach Where They Were Born? (Carrie Arnold, National Geographic)
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The survival of the sea turtle (Scott Gass, TED-Ed)
Information About Sea Turtles, Their Habitats and Threats to Their Survival (Sea Turtle Conservancy)
Sea Turtle (Wikipedia)
Kemp’s Ridley Sea Turtle (Sea Turtle Conservancy)
Kemp’s Ridley Sea Turtle (Wikipedia)
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An ancestral turtle from the Late Triassic of southwestern China (Chun Li, et al., Nature)
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Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
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NOAA: 279 dolphins dead on Gulf Coast, triple...
on June 14, 2019 at 5:35 pm
At least 279 dolphins have stranded across much of the U.S. Gulf Coast since Feb. 1, triple the usual number, and about 98 percent of them have died, scientists from the National Oceanic and Atmospheric Administration said Friday. […]
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Leatherback sea turtles likely to go extinct...
on June 11, 2019 at 5:30 pm
Leatherback sea turtles are likely to be "effectively extinct within 20 years" if two new federal permits for fishing off the coast of California go into effect, environmental groups claim in a new lawsuit. […]
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Indian temple helps nurture 'extinct' turtle back...
on June 11, 2019 at 7:30 am
The black softshell turtle is officially extinct in the wild, but a centuries-old Indian temple and its nature-loving caretaker are helping the creature make a tentative comeback. […]
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Sea turtles start nesting season with...
on June 4, 2019 at 5:40 pm
Each day from May through August, volunteers walk and survey the 26 miles of coastline on North Carolina's Topsail Island looking for the tell-tale tracks of sea turtles coming onto the beach. […]
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Ready, jet... print
on June 3, 2019 at 4:28 pm
Inkjet printing is expected to fast track the commercialization of organic solar cells. Researchers from the KAUST Solar Center have exploited this technique to generate high-efficiency solar cells at large scales. […]