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Dermochelyidae is a family of sea turtles which has seven extinct genera and one extant genus, containing one living species, the leatherback sea turtle (Dermochelys coriacea). The oldest fossils of the group date to the Late Cretaceous .
The map in sea turtles was the first ever described though similar abilities have now been reported in lobsters, fish, and birds. [48] Magnetoreception by land turtles was shown in a 2010 experiment on Terrapene carolina, a box turtle. After teaching a group of these box turtles to swim to either the east or west end of an experimental tank, a ...
The leatherback sea turtle (Dermochelys coriacea), sometimes called the lute turtle, leathery turtle or simply the luth, is the largest of all living turtles and the heaviest non-crocodilian reptile, reaching lengths of up to 2.7 metres (8 ft 10 in) and weights of 500 kilograms (1,100 lb).
The deepest diving sea turtle is the leatherback which can reach 1250 m depth, while the record for the longest dive goes to loggerheads (Caretta caretta) in the Mediterranean at more than 10 hours. For many hard-shelled sea turtles, depths visited on average (i.e. outside of overwintering) range from 2–54 m; for leatherbacks, this ranges up ...
Visual pathways in the human brain. The ventral stream (purple) is important in color recognition. The dorsal stream (green) is also shown. They originate from a common source in the visual cortex. Color processing begins at a very early level in the visual system (even within the retina) through initial color opponent mechanisms.
Sandy Point National Wildlife Refuge preserves habitat for threatened and endangered species, with particular emphasis on the leatherback sea turtle (Dermochelys coriacea). Its two miles (3 km) of sandy beaches on the southwest corner of Saint Croix, U.S. Virgin Islands is an ideal nesting place for leatherbacks.
Hawksbill turtle: Critically endangered. Regularly seen in coastal waters; nests on both coasts (though mainly on northern beaches), primarily from May to October. Leathery sea turtles (Dermochelyidae) Species Common name(s) Notes Image Dermochelys coriacea: Leatherback turtle: Critically endangered. Fairly rare.
The Leatherback Trust is a non-profit organization dedicated to the conservation and study of sea turtles and freshwater turtles, with special regard for the leatherback sea turtle. [1] The Leatherback Trust was founded in 2000 to help consolidate Las Baulas National Marine Park , one of the last major nesting site for the critically endangered ...