There are 5 species of Lizards in Iowa. DeKay’s brown snakes are common in Iowa. June 1, 2020 at 01:21. The common garter snake can be found throughout Iowa. A snake can swallow animals and eggs bigger than its head – that’s like a person swallowing a watermelon whole. Please let us know in the comments! The common garter snakes like habitats a bit wetter than the plains garter snake, so you may find it by the edge of water. They are found in Eastern and Southern Iowa in secluded wooded areas. A row of black spots borders the stripe on both sides. The ground color on the back is a varying shade of brown or gray. July 12, 2020 at 10:54. Washington, Iowa and Kentucky you can own a snake. The belly is light colored with a series … Reply. This is a small Iowa species measuring 13 – 18 inches long (Conant and Collins, 1991). The Wildlife Diversity Program works to preserve and protect Iowa's nongame species, including shorebirds, raptors, songbirds, many small mammals and bats, most amphibians, reptiles, many small fish, butterflies, dragonflies, and more. Most common are several species of garter snakes, the fox snake and the bullsnake, all of which are harmless. The eastern garter snake is more common on the eastern side, and the red-sided garter snake is more common on the western side of Iowa. Wildlife Diversity Program Iowa has over 1,100 species of fish and wildlife! Just click on any of the images or links to learn more about the snake. Thanks for the update! Bull snake, or possibly a timber rattler? Gordon Wilson says. Lizards. Not sure what kind of snake we got here! Blotches and other markings are usually very dark near the head and tail, but usually fade to a light brown or rust color in the middle portion of the body on adults. The following list of the reptiles of Iowa lists all of the snakes, turtles and lizards that are known to occur in the US State of Iowa. In Iowa, the most common species of venomous snakes is the Timber Rattlesnake. On this page, you can find an overview of snakes in Iowa. The Iowa DNR confirmed Thursday the animal as a Northern water snake, a non-venomous animal. Reply. The list is separated into non-venomous and venomous snakes in Iowa. The 28 species of Iowa snakes range from the tiny and uncommon 7-inch western worm snake to the common bullsnake which can be over 5 feet long. Description: 36 - 72 inches. According to a July 2015 news release from the Iowa Department of Natural Resources, Iowa has almost 30 species of snakes. Washington and Kentucky also make exceptions for hog nose snakes, Washington is more generalized allowing rear fanged snakes. The sides have smaller blotches, bars, or speckling. 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