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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plates usually covered with horny shields enclosing the trunk and into which the head, limbs, and tail usually may be withdrawn — Webster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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Study describes the Trans-Saharan Seaway in Mali,...
on August 16, 2019 at 1:24 pm
Leif Tapanila, Idaho State University geosciences professor and director of the Idaho Museum of Natural History, is a co-author on a scientific paper published this summer in the Bulletin of the American Museum of Natural History that describes the Trans-Saharan Seaway in Mali, Africa, and the strange creatures that existed there 50 to 100 million years ago.
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Now endangered: The very act that protects...
on August 15, 2019 at 2:50 pm
The Trump administration recently announced a proposal that would gut the Endangered Species Act. The news follows in the wake of a report from the United Nations earlier this year that more than 1 million plants and animals around the world face extinction, some within decades, owing to human development, climate change and other threats. Mark Urban, director of UConn's Center of Biological Risk, and associate professor of ecology and evolutionary biology, explains what the change would mean […]
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Songbirds silenced as Colombia fights wildlife...
on August 14, 2019 at 6:59 am
The metal doors of a shoebox-sized cage open up and a bird tagged #811 launches into a giant aviary. The palm-sized finch performs a midair pirouette, lands on a willow branch and curiously twitches its saffron-colored head sideways, as if surprised by its good fortune.
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'The Nemo effect' is untrue: Animal movies...
on August 14, 2019 at 6:43 am
Contrary to what was widely communicated in media by high-profile figures, the movie 'Finding Dory' had no impact on increasing demand for blue tang fish, the species of the main protagonist. There was, however, an increase in online searches for that species, showing that blockbusters can drive information-seeking behavior about nature.
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No teeth cleaning needed: Crocodiles shed old...
on August 13, 2019 at 5:20 pm
Unlike people, crocodiles do not clean their teeth to slow down wear and tear. Instead, they get rid of them and replace them with new copies.