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These are mostly "clicking" noises, but more tonal "mewing" sounds are also sometimes present. These sounds are the first documented for any North American hatchling turtle. (Geller, G.A. and G.S. Casper. 2019. Late-term embryos and hatchlings of Ouachita Map Turtles (Graptemys ouachitensis) make sounds within the nest. Herpetological Review 50 ...
The northern map turtle gets both its common and scientific names from the markings on its carapace, which resemble contour lines on a map or chart. [5] These lines are usually shades of yellow, tan, or orange, and are surrounded by dark borders, with the rest of the carapace being olive or greyish brown.
The European pond turtle is a medium-sized turtle, and its straight carapace length varies quite a bit across its geographic range, from 12 to 38 cm (4.7 to 15.0 in). The carapace is dark brown to blackish, with a hint of green.
The ornate box turtle is a relatively small turtle, measuring just 4-6″ (10-15 cm) when full-grown. Males and females generally look alike but males are often smaller; there is color variation with yellow lines from the center of the shell to the edges through gray, red-brown, or black coloration. [7]
Common snapping turtles have few predators when older, but eggs are subject to predation by crows, American mink, skunks, foxes, and raccoons. [19] Egg predators use three types of cues to locate turtle nests: Visual cues – seeing where the female has dug the soil for the nest chamber and seeing the turtle
The gopher tortoise (Gopherus polyphemus) is a species of tortoise in the family Testudinidae.The species is native to the southeastern United States.The gopher tortoise is seen as a keystone species because it digs burrows that provide shelter for at least 360 other animal species.
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The nest is typically 3.8 to 5.1 centimeters (1.5 to 2.0 in) deep and 5 centimeters (2.0 in) around. [51] Like most species of turtle, the bog turtle constructs its nest using its hind feet and claws. Most bog turtle eggs are laid in June. Pregnant females lay one to six eggs per clutch (mean of 3), and produce one clutch per year.