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Northern map turtles inhabit an area from south Quebec and Ontario to northern Vermont where it lives in the St. Lawrence River drainage basin.Its range extends west through the Great Lakes and into southern Wisconsin and eastern Minnesota, west of the Appalachians, south to Kansas and northwestern Georgia.
Graptemys is a genus of freshwater turtles containing 14 species, commonly known as map turtles. [5] Graptemys are small to medium-sized turtles that are significantly sexually dimorphic, with females in some species attaining as much as twice the length and ten times the mass as males.
The Alabama map turtle (Graptemys pulchra) is a species of emydid turtle native to the southern United States. Differentiation from other turtle species includes a black stripe running down the center of its back with knobs extruding from it, but these projections wear down with age. T.H. Bean and L. Kumlen first collected the Alabama map turtle in July 1876 from a lake near Montgomery, Alabama.
The Pearl River map turtle, native to the Pearl River, recently got classified as an endangered species under the Endangered Species Act. The new classification leaves the future of the One Lake ...
The black-knobbed map turtle (Graptemys nigrinoda), formerly known as the black-knobbed sawback, is a small to medium-sized aquatic turtle with light gray skin. [5] Some of the most distinguishing characteristics of the black-knobbed map turtle, and the Graptemys genus, are the protruding "spikes" on the turtle's carapace.
The alligator snapping turtle (Macrochelys temminckii) is a large species of turtle in the family Chelydridae. The species is endemic to freshwater habitats in the United States . M. temminckii is one of the heaviest living freshwater turtles in the world. [ 4 ]
Red-eared slider turtles are considered a significant threat to native turtle species; they mature more quickly, grow larger, produce more offspring, and are more aggressive. [50] Numerous studies indicate that red-eared slider turtles can out-compete native turtles for food and nesting and basking sites. [ 51 ]
Common snapping turtle hatchlings have recently been found to make sounds before nest exit onto the surface, a phenomenon also known from species in the South American genus Podocnemis and the Ouachita map turtle. These sounds are mostly "clicking" noises, but other sounds, including those that sound somewhat like a “creak” or rubbing a ...