Species Reptiles & AmphibiansCommon Map Turtle

Common Map Turtle

Graptemys geographica

CommonReptile & Amphibian
Illustration of Common Map Turtle (Graptemys geographica)

The Common Map Turtle is named for the map-like yellow lines on its shell and skin. It is highly aquatic and rarely ventures far from water. Females are significantly larger than males, an unusual trait among turtles.

Habitat
Large rivers and lakes with abundant basking sites and aquatic vegetation
Diet
Mollusks, crayfish, insects, and aquatic plants
How common
Common

Best time to see a Common Map Turtle

The best time to see a Common Map Turtle is April–June, when about 62% of U.S. sightings happen, based on 8,268 research-grade iNaturalist observations.

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Recent Common Map Turtle sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

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