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Topic: Leatherback Sea Turtle


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In the News (Wed 20 Mar 19)

  
  Leatherback Sea Turtle | The Humane Society of the United States
And unlike all other sea turtles and reptiles, leatherbacks are able to maintain their core (deep) body temperature, which allows them to swim in waters as cold as 40 degrees Fahrenheit, a temperature that would mean lethargy or death for any other reptile species, which must assume the temperature of their environment.
Leatherbacks are the largest of the sea turtles and the largest living reptile, averaging six feet in length and weighing approximately 1,200 lbs, although they can be larger.
With their streamlined bodies, leatherbacks are the strongest swimmers of all sea turtles.The leatherback's front flippers are considerably longer than those of other sea turtles, sometimes spanning eight feet, but they lack the claws found on other sea turtles.
www.hsus.org /wildlife/a_closer_look_at_wildlife/turtles_and_tortoises/leatherback_sea_turtle.html   (881 words)

  
  Leatherback Sea Turtle - Wikipedia, the free encyclopedia
The Leatherback Sea Turtle (Dermochelys coriacea) is the biggest of all living turtles, reaching a length of over 2.7 m (8.8 ft) and weight of 900 kg (2,000 lb), and is world's 4th largest reptile, behind the larger crocodiles.
Atlantic Leatherback Turtles nest between February and July from Georgia in the United States to the U.S. Virgin Islands in the Caribbean and to Suriname and the Guyanas.
The leatherback turtle is found throughout the Atlantic, Pacific and Indian oceans, from as far north as Labrador, Alaska and Norway to as far south as Chile, the Cape of Bad Hope, Argentina, and the southern end of New Zealand.
en.wikipedia.org /wiki/Leatherback_Sea_Turtle   (1510 words)

  
 Leatherback Sea Turtles
Nesting populations of leatherback sea turtles are especially difficult to discern because the females frequently change beaches.
Leatherbacks can attain a curved carapace length (the length of the turtle's shell from where it begins at the base of the turtle's neck, along the curved top of the shell, ending at its tip) of two metres and regularly weigh 1000 pounds.
The leatherback turtle, is the world’s largest living reptile and the rarest of all marine turtles.
www.cdli.ca /CITE/st_leatherback.htm   (1046 words)

  
 Hinterland Who's Who - Leatherback Seaturtle
Leatherbacks are one of the world’s deepest-diving vertebrates.
When the egg chamber is ready, the turtle lays her eggs, which are approximately the size of a billiard ball and have a rubbery shell, which helps to keep them from breaking as they fall into the chamber on top of one another.
Sightings of juvenile turtles are extremely rare, and there is little information on the biology, distribution, or habits of young turtles, although recent research suggests that hatchlings remain in tropical waters until their carapace is a metre long.
www.hww.ca /hww2.asp?id=33   (2616 words)

  
 Turtle Pictures   (Site not responding. Last check: 2007-11-04)
Leatherback nesting is on the increase in Florida with an average of 50 nests formed on the east coast beaches of Florida each year.
The reason that the Leatherback Sea turtle and the Galapagos Tortoise are endangered is because of mankind and the impact we are having on them.
These two turtle species, which have lived on Earth for millions of years, may not continue to survive for much longer if humans do not stop polluting and destroying their habitats, fishing in their migration paths and introducing new species that compete for food and that eat their young hatchlings and eggs.
www.edtechnot.com /scofield/turtleessay.html   (1180 words)

  
 Bagheera: An Endangered Species and Endangered Animal Online Education Resource
Leatherbacks are killed to be rendered into oil for caulking boats in the Persian Gulf, for use in oil lamps in Papua New Guinea, and for medicinal use in the Caribbean.
Leatherback sea turtles in particular may be attracted to long-lines by the chemical light sticks attached to the lines, which may resemble the jellyfish that constitute their primary food.
Turtles now breed in tanks and lay their eggs on artificial beaches, where the eggs are collected and incubated to ensure maximum survival of hatchlings.
www.bagheera.com /inthewild/van_anim_turtle.htm   (2077 words)

  
 CRESLI Leatherback sea turtle page
The giants of marine turtles, leatherback sea turtles are oceanic reptiles that can reach 6 to 8 feet in length and weigh 1,200 to 1,500 pounds.
Leatherbacks are commonly seen in Long Island's offshore waters during the late summer.
CRESLI is actively involved in studying and protecting Leatherbacks in NY's coastal waters and on nesting beaches in Costa Rica and Isla Culebra.
www.cresli.org /cresli/turtles/leaback.html   (412 words)

  
 Sea Shepherd Conservation Society - News
But the leatherback sea turtle, the largest turtle in the world, is on the brink of extinction, and scientists question whether the animal will survive into the next decade.
Leatherback turtles roam tropical and sub-tropical waters of the Pacific, Atlantic, and Indian Oceans.
Leatherback sea turtle populations have been decimated by a fishing technique known as longlining, in which fishing vessels lay out 40- to 60-mile-long (64- to 97-kilometer) lines of vertically hanging baited hooks.
www.seashepherd.org /news/media_030317_1.html   (978 words)

  
 Leatherback Sea Turtle Fact Sheet
Leatherback sea turtles are found all around the globe, from the Atlantic to the Pacific to the Indian Ocean.
In the Atlantic, leatherback sea turtles are found regularly off the coast of New England, especially Massachusetts and the Gulf of Maine, in Long Island New York waters, and in the Gulf of Mexico, as well as along the shores of Canada, the British Isles, Iceland, Europe and Spain.
In response to sea turtle mortality in trawl nets, the National Marine Fisheries Service has issued regulations requiring shrimp trawlers on the southeastern and Gulf coasts to have a turtle excluder device (TED) on their nets.
www.dec.state.ny.us /website/dfwmr/wildlife/endspec/leatfs.html   (654 words)

  
 Sea Turtle Restoration Project: News Room   (Site not responding. Last check: 2007-11-04)
Sea turtles, seals, sharks and seabirds are among the creatures snagged in efforts to catch swordfish and tuna.
"The leatherback turtle, an ocean giant and largest reptile remaining alive on Earth, is on a course to rapid extinction throughout the Pacific Ocean.
Leatherbacks can reach 9 feet long and 2,000 pounds and are one of six species of endangered sea turtles.
www.seaturtles.org /issue_briefings2.cfm?issueBriefID=7   (638 words)

  
 Georgia DNR, Coastal Resources Division - Leatherback Sea Turtle
Leatherbacks are found in Georgia waters primarily in the early spring, fall, and early winter during migration to and from the tropics.
Leatherbacks are one of the deepest diving air breathing animals, reaching depths of 3,300 feet.
An equally insidious threat to leatherbacks and all sea turtles, and one that is very difficult to assess, is incidental mortality due to commercial fishing efforts throughout the oceans.
crd.dnr.state.ga.us /content/displaycontent.asp?txtDocument=542   (951 words)

  
 Sea Turtle Routes
Sea turtle number 1109-B and some of her fellow leatherbacks have given humanity a fascinating glimpse into the long-distance migration patterns of vertebrate marine life.
At the nesting beaches in Costa Rica, Morreale and his colleagues tagged eight female leatherback turtles with small satellite transmitters designed to survive the crushing pressure of the ocean's deep water and buoyant enough to transmit a signal when a turtle reached the water's surface.
Attaching the transmitters to the turtles was not easy: the pliable, yet oily carapace -- the sea turtle's shell -- made attaching the tethered transmitter difficult.
www.news.cornell.edu /Chronicle/96/12.12.96/Turtles.html   (605 words)

  
 Sea Turtle Conservation
It is estimated that there are between 26,000 and 43,000 female Leatherback turtles in the world of which a maximum of 500 nest at Gandoca.
Turtles are often hunted illegally either for their meat or their shells from which products such as jewellery are made for sale on the fl market.
Pollution resulting from the residual waters of ever growing coastal communities, erosion of beaches and the use of electric lighting in areas where turtles nest are all factors that are leading to a decline in the sea turtle population.
www.anaicr.org /paginas/seaturtle/gandoca_leatherback.html   (1114 words)

  
 CT DEP: Leatherback Sea Turtle Fact Sheet
Another factor which affects sea turtle populations is the presence of lights on beach nesting areas.
Although this adaptation is not necessary for leatherbacks to live in tropical waters, it enables the turtle to survive in temperate and cold-temperate latitudes.
Leatherbacks are pelagic (live in the open ocean) except when nesting on tropical and subtropical beaches.
dep.state.ct.us /burnatr/wildlife/factshts/lbttl.htm   (975 words)

  
 Leatherback Turtle
“Sea turtles constantly migrate to different waters in search of new places to feed and mate, returning to the same beaches year after year to nest,” said David Schofield, the Aquarium’s manager of ocean health initiatives.
Leatherback sea turtles are the world’s largest sea turtles, reaching eight feet long and weighing as much as a small car.
While this is the first time that the Aquarium and ANAI have collaborated on sea turtle conservation, the Aquarium has collected more than $380,000 in donations from visitors, which ANAI then uses to purchase rain forest land, protecting it from development.
www.aqua.org /oceanhealth_leatherback.html   (470 words)

  
 Dermochelys coriacea, Leatherback Sea Turtle at MarineBio.org
The Leatherback sea turtle, Dermochelys coriacea (Vandelli, 1761), is the largest of the sea turtles reaching up to 2.4 m in length and weighing 227-907 kg.
Although sea turtles cannot withdraw their heads into their shells, the adults are protected from predators by their shells, large size, and thick scaly skin on their heads and necks.
The Leatherback turtle is omnivorous feeding on jellyfish (its primary foodsource), crabs, and fish.
marinebio.org /species.asp?id=287   (1332 words)

  
 Leatherback sea turtle
Scientists suggest that Pacific leatherback populations in particular are on the verge of extinction.
Leatherback turtles have been tracked diving to 640 metres, the deepest dive yet recorded for a reptile, and unpublished data suggests that they may occasionally go deeper than 1000 metres.
From an evolutionary perspective, the leatherback turtle is unique among extant turtles and the sole surviving representative of the family Dermochelyidae, thought to be at least 100 million years old.
www.wildwhales.org /seaturtles/leatherback.htm   (1191 words)

  
 LiveScience.com - Beach Patrols Help Sea Turtles Rebound
Beach patrols to save dwindling leatherback sea turtle populations appear to be working on the Caribbean island of St. Croix.
Although leatherback turtles are at serious risk of global extinction, the rise of nesting populations on St. Croix holds promise for others around the world, the researchers said.
Leatherback turtle populations have declined due to human impacts on nesting beaches and destructive fishing practices like longline fisheries, Dutton and his colleagues say.
www.livescience.com /animalworld/060508_turtle_recovery.html   (526 words)

  
 EuroTurtle - Leatherback sea turtle   (Site not responding. Last check: 2007-11-04)
Due to the fact that the leatherback turtles lay their eggs so close to the high tide mark, conservationists often transfer the nests so they are not innundated by the tide.
Predation, as with all sea turtles, is highest during incubation and emergence periods.
Unlike almost all other living reptiles, the leatherback turtle is an endotherm, maintaining a core body temperature of around 25ºC. Although this is not as high as marine mammals (38ºC) or birds (40ºC), there is still a considerable temperature difference between the core (heart, lungs and brain) and the ambient water temperature.
www.euroturtle.org /outline/leather4.htm   (1417 words)

  
 leatherback sea turtle almost extinct - TT - Turtle Forums
The leatherback sea turtle, the largest out of all of them, is one of the most majestic animals you could ever see.
Finding sea turtles caught in fishermen nets is one real threat and the international community has taken steps to avoid this by outlawing many types of fishing including seigning (which is a process of literally strip-mining a section of the ocean).
Once the nest is burried, the sea turtle retreats to the sea leaving the nest unguarded.
www.turtletimes.com /Forums/index.php?showtopic=6821   (1142 words)

  
 Species Profiles — OBIS-SEAMAP
The leatherback sea turtle is the largest of all the sea turtles—averaging 150 to 170 cm SCL (straight carapace length) and 500 kg.
Hatchling leatherback turtles leave the beach on which their mother nested and swim directly offshore, but very little is known about the early pelagic juvenile stage (often called “the lost years”).
Leatherback sea turtles have delicate, scissor-like jaws, and their throat musculature is such that they can suck in a prey item with a large inflow of water.
seamap.env.duke.edu /species/tsn/173843   (1198 words)

  
 Sea turtle - Wikipedia, the free encyclopedia
Sea turtles (Chelonioidea) are turtles found in all the world's oceans with the exception of the Arctic Ocean, and some species travel between oceans.
The Leatherback Sea Turtle is the largest, measuring six or seven feet (2 m) in length at maturity, and three to five feet (1 to 1.5 m) in width, weighing up to 1300 pounds (600 kg).
Sea grass must be kept short to remain healthy, and beds of healthy sea grass are essential breeding and development areas for many species of fish and other marine life.
en.wikipedia.org /wiki/Sea_turtle   (1059 words)

  
 The Leatherback Trust @ leatherback.org
Leatherbacks are the largest turtle, reaching a shell length of 1.7m and a mass of 700kg.
The Leatherback Trust is a non-profit foundation established to save the leatherback turtle and other sea turtles from extinction.
Leatherback Trust scientists were instrumental in founding Parque Marino Las Baulas, a national park, on Costa Rica's Pacific coast.
www.leatherback.org   (448 words)

  
 Leatherback Sea Turtle
It is the largest living turtle, generally attaining weights of 650 to 1,200 pounds (295-545 kilograms) and lengths of 6 to 8 feet (1.8-2.4 meters).
The leatherback is distinctly triangular in shape, having a prominent keel down to the center of the upper shell (carapace), flanked by three more keels on each side, or seven in all.
The leatherback's habitat is typically tropical or subtropical seas, but it has been found as far north as Nova Scotia.
www.seaturtleinc.com /turtles/leatherback.html   (453 words)

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