Common Snake Species in Washington DCEastern garter snake: The usual size of the eastern garter snake is around 19-26 inches, however, sometimes the length reaches as much as 49 inches. The one feature that sets these snakes apart from other snakes is the presence of three strips on its body; the stripes are bright yellow and standout on the eastern garter snake's dark body. There a few variations when it comes to patterns, some have checks on their bodies along with light-colored stripes. When it comes to their other body parts such as their belly, it is light-colored in shades of yellow and white. These snakes are often confused with ribbon snakes but garter snakes are much thicker and not as slender as ribbon snakes and additionally, ribbon snakes do not have the black lines that garter snakes have on their lips.
Eastern rat snake: These rats were previously called black rat snakes. Their size varies from 3.5 feet to 7 feet. Eastern rat snakes have visible shiny black scales on their backside and their bellies are fairly light-colored along with their throat and chin which are white. One interesting physical feature about the eastern rat snake is its head which is prominently wider than its other body parts. Eastern rat snakes have their unique way of reacting to a predator; they emit a very foul odor under threatening circumstances. The smell can be described as the odor of poison. These snakes also take part in brumation during the winters. Brumation is very much alike to hibernation except the eastern rat snake still wakes up to do a few activities here and there such as drinking water.
Northern ringneck snake: Northern ringneck snakes are harmless snakes that are just 10-15 inches long when they are fully grown. Northern ringneck snakes have a dark-colored body ranging from shades of bluish-grey to black. It has a ring around its neck which is either yellow or orange, the color of the ring matches with its underside which does not have any pattern or spots. This ring helps to distinguish the northern ringneck snake from other species of snakes.