Scientific Name: Graptemys geographica Size: 7.5-10.8 inches (9-27.3 cm) in length Status: Species of special concern . Top. Range map for the northern map turtle in Iowa. This turtle is often found in slow portions of larger rivers in Iowa. The Northern Map Turtle inhabits both lakes and rivers, showing a preference for slow moving currents, muddy bottoms, and abundant aquatic vegetation. Other threats such as the sread of invasive species such as Zebra Mussels can also have an effect on these turtles. Within rivers they occur in the larger pools, especially where a tree or large log has fallen into the water, but they sometimes utilize riffles. Both the head and legs have an intricate pattern of bright yellow lines. Enclosure . Identification. Common map turtles get their name from the markings on the carapace. Nesting sites are typically in sandy, open-canopy habitats within a few hundred metres of water. These turtles need suitable basking sites (such as rocks and logs) and exposure to the sun for at least part of the day. The Division of Wildlife’s mission is to conserve and improve fish and wildlife resources and their habitats for sustainable use and appreciation by all. Individuals overwinter at the bottom of lakes and rivers. They are a commonly seen turtle in riverine habitats in southwestern Virginia. The lower shell of this species is light yellow; the seams between scutes are dark brown. They prefer deep wide sections of rivers with clayey, sandy or rocky bottoms and many basking sites. Although the Northern Map Turtle can be found in a few other places in Québec, the Lac des Deux-Montagnes population has the distinction of being one of only two remaining large populations to this day. The black-knobbed map turtle is most likely threatened by habitat degradation and encroachment by humans. Humans have been known to remove dead logs that line the shoreline of rivers, which the turtle uses for basking in the sun. This is how the animal acquired its name. Habitat: Rivers, sloughs and oxbow lakes are preferred habitats for northern map turtles; provided there is an abundance of basking sites, a gravel bottom and some aquatic vegetation. : 'Little River' in southwestern Kentucky). The shell is brown in colour and has an intricate network of map like yellow lines giving it its name. This turtle, the most widespread species of map turtle, tends to prefer large rivers or lakes with a muddy substrate over smaller, marginal habitats. Graptemys geographica. Northern map turtles are small- to medium-sized and have a low ridge along the center of the upper shell. This turtle has a yellow spot behind the eyes. Find Common Map Turtle, Northern Map Turtle information at Animal Diversity Web; Encyclopedia of Life ; Common Map Turtle, Northern Map Turtle. The upper shell normally is brown or olive brown with a netlike pattern of fine yellow lines, giving the shell the appearance of a road map. Northern Map Turtles (Graptemys geographica) in Maryland are restricted to the Susquehanna River and some of the river's tributaries, in Harford and Cecil Counties (Maryland DNR site). The Northern Map Turtle occurs in the Tennessee and Cumberland River drainages of middle and east Tennessee. Northern Map Turtles lack the prominent eyebrow and chin spots. Habitat. The Northern Map Turtle is gregarious and wary, and thus difficult to approach. The other population of importance is in the Outaouais region. Habits. General description: The shell of the Northern Map Turtle is oval with serrations on the posterior end of the carapace. The Northern Map Turtle has a slightly domed, smooth carapace (shell that covers the back) that may have a strong central keel.A close look at their gray-green carapace reveals curved off-white lines that resemble topographic lines on a map.The posterior margin (rear edge) of their carapace is both toothed and flared. Lakes and oxbow ponds are utilized only when close to a good sized river. As with other map turtles, you need an aquarium or a pond for the Ouachita map turtle. They can be identified by the serrated edge on their backs, and yellow stripes on their head and torso. The Common Map Turtle is protected by the Kansas Nongame and Endangered Species Conservation Act and administrative regulations applicable thereto. The hind edge of the upper shell is strongly serrated. Also, indirect disturbances of nest sites may become an issue. Northern Map Turtles are mainly restricted to large, permanent water habitat such as rivers & large lakes, but are occasionally found in smaller water bodies such as permanent streams (i.e. These turtles are very fond of basking and are commonly found piled up on logs and rocks with the Spiny Softshell Turtle. Habitat: Larger lakes, rivers, reservoirs, oxbow sloughs, and open marshes, including some bays and inlets of the Great Lakes. They prefer habitats with slow to moderate current, soft bottoms and abundant aquatic vegetation, such as side channels, backwaters, and some rivers and reservoirs. The Northern Map Turtle is an iconic species for those who have paddled out or gone by boat across the often swift moving waters of the mighty Susquehanna River, with it and its immediate tributaries being the only region of our state where it can be found. The diet is comprised of benthic invertebrates and although both sexes feed primarily upon molluscs, adult females, being larger, can consume larger prey items than either males or juveniles. Graptemys geographica. Jan 29, 2020 - The northern map turtle also known as the common map turtle belongs to the family Emydidae which contains turtles endemic to the Americas. Females have … Biology. Northern Map Turtle Habitat Northern Map Turtle Hatchling Northern Map Turtle Range Northern Map Turtle Care Published on May 29th 2017 by staff under Turtles. COSSARO Status: Special Concern . Ouachita Map Turtle Habitat . It is endemic to … ♥ thanks for clicking ♥ in this video I will be introducing you to my two new turtles. Unique Feature: Raised ridge that sits on the top-middle of their shell. 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