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Common Snapping Turtle1 locationReptile/Amphibian
.: AZLumberjack :.
Sep 11 2013
Carlos Avery Wildlife Area
.: gummo :.
Jun 28 2014
Bio-Blitz at Camp Kunatah
TypeReptile/Amphibian
FamilyChelydridae - Snapping Turtles
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Chelydra serpentina

Common Names:Snapping Turtle

Habitat: Its natural range extends from southeastern Canada, southwest to the edge of the Rocky Mountains, as far east as Nova Scotia and Florida and as far southwest as northeastern Mexico. This species and the larger alligator snapping turtle are the only two species in this family found in North America.

Common habitats are shallow ponds, shallow lakes, or streams. Some may inhabit brackish environments, such as estuaries. Common snapping turtles sometimes bask—though rarely observed—by floating on the surface with only their carapace exposed, though in the northern parts of their range they will also readily bask on fallen logs in early spring. In shallow waters, common snappers may lie beneath a muddy bottom with only the head exposed, stretching their long necks to the surface for an occasional breath (note that their nostrils are positioned on the very tip of the snout, effectively functioning as snorkels).

Description:Rugged, muscular builds with ridged carapaces (though ridges tend to be more pronounced in younger individuals). The carapace (upper shell) length in adulthood may be nearly 50 cm (20 in), though 25–47 cm (9.8–19 in), is more common. C. serpentina usually weighs 4.5–16 kg (9.9–35 lb). Any specimen above the afforementioned weights are exceptional, but the heaviest wild specimen caught reportedly weighed 34 kg (75 lb). Snapping turtles kept in captivity can be quite overweight due to overfeeding and have weighed as much as 39 kg (86 lb). In the north part of its range, the snapping turtle is often the heaviest native freshwater turtle.

Comments:Common snappers are noted for their belligerent disposition when out of the water, their powerful beak-like jaws, and their highly mobile head and neck (hence the specific name "serpentina", meaning "snake-like"). In some areas they are hunted very heavily for their meat, a popular ingredient in turtle soup. These turtles have lived for up to 47 years in captivity, while the lifespan of wild individuals is estimated to be around 30 years.

Snapping turtles have "fierce" dispositions; however, when encountered in the water, they usually slip quietly away from any disturbance. Snapping turtles have evolved the ability to snap because unlike other turtles, they are too large to hide in their own shells when confronted. Snapping is their defense mechanism. However, these turtles rarely bite humans; they usually flee when threatened.

The snapper is an aquatic ambush hunter, capturing its prey with its beak-like jaws. The common snapping turtle is not an ideal pet. Its neck is very flexible, and the turtle can bite its handler even if picked up by the sides of its shell. It will make a hissing sound when it is threatened or encountered; however, when in the water and unprovoked, they are fairly docile toward humans.

It is a common misconception that common snapping turtles may be safely picked up by the tail with no harm to the animal; in fact, this has a high chance of injuring the turtle, especially the tail itself and the vertebral column. Lifting the turtle with the hands is difficult and dangerous. Snappers can stretch their necks back across their own carapace and to their hind feet on either side to bite. Also, their claws are sharp and capable of inflicting significant lacerations. When they feel stressed, they will release a musky odor from behind their legs.


Source: Wikipedia





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