Turtle

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General

Portal

The Turtles Portal (Wikipedia)

Dictionary

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plates usually covered with horny shields enclosing the trunk and into which the head, limbs, and tail usually may be withdrawn — Webster

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Encyclopedia

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

Encyclopædia Britannica

Introduction


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Swimming with turtles at Sipadan, Borneo (Tim Ecott, Wonderlust)

Search

WolframAlpha

Science



How Do Sea Turtles Find the Exact Beach Where They Were Born? (Carrie Arnold, National Geographic)
Sea turtle migration (Wikipedia)

Preservation



Turtle Conservancy (Official Website)
Turtle Conservancy (YouTube Channel)



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)

History



An ancestral turtle from the Late Triassic of southwestern China (Chun Li, et al., Nature)

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Key West Turtle Museum

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OER Commons: Open Educational Resources

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May 23 is World Turtle Day (Wikipedia)

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Fiction

List of Fictional Turtles (Wikipedia)

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OEDILF: The Omnificent English Dictionary In Limerick Form

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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.

  • Drones help map sea level rise
    on December 12, 2018 at 2:40 pm

    Drones can be used to create low-cost and accurate 3-D maps of coastal areas, new research shows. The technique – developed by the University of Exeter – was tested at beaches where sea turtles nest, allowing scientists to see how rising sea levels will affect them. It combines drones and photogrammetry (extracting measurements from photographs) with accurate GPS satellite location to create detailed digital models of coastal habitats. Previous methods were either cheap but low in […]

  • Cold-stunned turtles flown from New England to...
    on December 12, 2018 at 12:11 pm

    Officials say 32 cold-stunned Kemp's ridley sea turtles rescued off New England's coast have arrived in the Florida Keys to warm up at the Turtle Hospital. […]

  • New approach helps mitigating the effect of...
    on December 6, 2018 at 3:51 pm

    New research has reported effective conservation strategies that can mitigate the impacts of climate warming on sea turtle nesting success. […]

  • Soft tissue shows Jurassic ichthyosaur was...
    on December 5, 2018 at 6:00 pm

    An ancient, dolphin-like marine reptile resembles its distant relative in more than appearance, according to an international team of researchers that includes scientists from North Carolina State University and Sweden's Lund University. Molecular and microstructural analysis of a Stenopterygius ichthyosaur from the Jurassic (180 million years ago) reveals that these animals were most likely warm-blooded, had insulating blubber and used their coloration as camouflage from predators. […]

  • Microplastics found in all sea turtle species
    on December 5, 2018 at 12:00 am

    Tests on more than 100 sea turtles—spanning three oceans and all seven species—have revealed microplastics in the guts of every single turtle. […]