Habitat: Northern Map Turtles are big water turtles, occurring in rivers, lakes, large marshes, and canals. 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. This is how the animal acquired its name. The upper shell is olive to brown and is heavily marked with a pattern of light colored lines, typically yellow in color. Unique Feature: Raised ridge that sits on the top-middle of their shell. The other population of importance is in the Outaouais region. Northern map turtle (Graptemys geographica) The northern map turtle, or common map turtle, is an aquatic turtle in the family Emydidae. Habitat: Large bodies of water like lakes and rivers. They are a commonly seen turtle in riverine habitats in southwestern Virginia. They do not travel as far from the Mississippi River in eastern Iowa as the false map turtle, Graptemys pseudogeographica. Graptemys geographica Identification. Females have … Length: females are 7 to 10.5 inches and males are 3.5 to 6.5 inches. The northern map turtle is named for the markings on its shell, which look like the contour lines on a topographical map. ♥ thanks for clicking ♥ in this video I will be introducing you to my two new turtles. Ouachita Map Turtle Habitat . Although they are most conspicuous when basking, Northern Map Turtles can be seen in the water from bridges and can be caught by turning over rocks. The carapace is olive green with yellow lines. Declining numbers in the population have led to the designation of special concern. Also, indirect disturbances of nest sites may become an issue. Other threats such as the sread of invasive species such as Zebra Mussels can also have an effect on these turtles. This turtle, the most widespread species of map turtle, tends to prefer large rivers or lakes with a muddy substrate over smaller, marginal habitats. 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.While in its preferred habitat it can be one of the most prevalent turtle species seen on any outing. Identification. Individuals overwinter at the bottom of lakes and rivers. The lower shell of this species is light yellow; the seams between scutes are dark brown. What do they look like? The lines covering this turtle are thought to resemble rivers or contour lines on a road map. Nesting sites are typically in sandy, open-canopy habitats within a few hundred metres of water. Top. Scientific Name: Graptemys geographica Size: 3.9 – 10.7” (adult carapace length) Status: Locally common throughout much of the lower Great Lakes basin, but have become extirpated from more heavily polluted urban rivers. Related Species. Northern map turtles can be distinguished from false and southern map turtles by their uniformly-colored yellow or creamy plastron. Habits. The northern map turtle is a Special Concern species under the federal Species at Risk Act and provincial Endangered Species Act and is also a specially protected reptile under the Ontario Fish and Wildlife Conservation Act. Article was last reviewed on 14th June 2019. 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 Turtle – Graptemys geographica devlogin-steven 2017-12-08T14:42:42-05:00 The Northern Map turtle has a low shell with a serrated rear margin. Biology. The shell is brown in colour and has an intricate network of map like yellow lines giving it its name. Description: Medium-sized aquatic species. These turtles are very fond of basking and are commonly found piled up on logs and rocks with the Spiny Softshell Turtle. 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). COSEWIC Status: Special Concern . General description: The shell of the Northern Map Turtle is oval with serrations on the posterior end of the carapace. Type of Eater: Omnivore (carnivorous when adult) Size & Weight: 3-10 inches (females are much bigger than males) Distribution: Northeast United States and Canada. Habitat. They can be identified by the serrated edge on their backs, and yellow stripes on their head and torso. Map turtles are avid baskers & require habitat with basking platforms. 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 hind edge of the upper shell is strongly serrated. Range map for the northern map turtle in Iowa. Performance Indicator metrics: This PI addresses nesting and egg development of the Map Turtle, a 25 cm or 9.84 inch (maximum) aquatic turtle and Spiny Softshell, a 50 cm or 19.69 inch (maximum) aquatic turtle.The PI gives an annual value of the available safe potential surface area of nesting and eggs development habitat (measured at the Sorel gage). 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. Habitat: Larger lakes, rivers, reservoirs, oxbow sloughs, and open marshes, including some bays and inlets of the Great Lakes. 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. Enclosure . Northern Map Turtles are one of a group of three map turtles that are similar in appearance. Habitat. Common map turtles get their name from the markings on the carapace. They prefer deep wide sections of rivers with clayey, sandy or rocky bottoms and many basking sites. The Common Map Turtle is protected by the Kansas Nongame and Endangered Species Conservation Act and administrative regulations applicable thereto. The head of the southern map turtle has a large yellowish crescent or blotch behind the eyes and a distinct yellow spot under the eye on the lower jaw. Threats and What You Can Do: The most common threats to the northern map turtle include habitat loss and degradation due to shoreline development and declining water quality conditions. Southern Map Turtle Habitat Range These turtles live only in large rivers where they eat insects, worms, crayfish, snails, small fish and aquatic plants. Northern Map Turtle. 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. Humans have been known to remove dead logs that line the shoreline of rivers, which the turtle uses for basking in the sun. Their diet includes insect larvae, carrion, crustaceans and aquatic plants. I will also be showing you my outdoor turtle enclosure for my red eared slider and northern map turtles. COSSARO Status: Special Concern . Northern Map Turtles lack the prominent eyebrow and chin spots. Graptemys geographica. 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. 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. About the Northern Map Turtle. The Northern Map Turtle is usually found in large water bodies such as rivers and lakes, particularly in areas with slow-moving water and abundant basking sites. Description: A medium-sized, aquatic turtle (males 3.5 to 6.25; females 7.0 to 10.75 inches in length) having a low-keeled olive-green to brown carapace (upper shell) with intricate yellow lines, resembling roads or waterways on a map. Lakes and oxbow ponds are utilized only when close to a good sized river. Northern map turtles are small- to medium-sized and have a low ridge along the center of the upper shell. Common Name: Common/Northern Map Turtle. Scientific Name: Graptemys geographica Size: 7.5-10.8 inches (9-27.3 cm) in length Status: Species of special concern . Graptemys geographica. The Northern Map Turtle inhabits both lakes and rivers, showing a preference for slow moving currents, muddy bottoms, and abundant aquatic vegetation. 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. The carapace (upper shell) is olive green with fine yellow lines and has a distinct ridge (keel) along the centre and serrations along its back edge. 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. As with other map turtles, you need an aquarium or a pond for the Ouachita map turtle. Northern Map Turtle. This turtle is often found in slow portions of larger rivers in Iowa. These turtles need suitable basking sites (such as rocks and logs) and exposure to the sun for at least part of the day. Northern Map Turtle Status: Special Concern Description: They are anywhere from 9 - 18 cm long. The black-knobbed map turtle is most likely threatened by habitat degradation and encroachment by humans. It is endemic to … Find Common Map Turtle, Northern Map Turtle information at Animal Diversity Web; Encyclopedia of Life ; Common Map Turtle, Northern Map Turtle. Biology . Both the head and legs have an intricate pattern of bright yellow lines. 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. This turtle has a yellow spot behind the eyes. 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