A medium-sized, dark-colored, heavy-bodied snake, the Mississippi green watersnake was once somewhat common in southeastern Missouri but is now probably extirpated. The back is greenish brown with numerous small, obscure olive-brown or dark brown markings. The belly is dark gray with numerous yellow half-moon-shaped markings. Although not venomous, watersnakes bite viciously to defend themselves and also secrete a strong-smelling musk from glands at the base of the tail. Similar species: A number of other watersnakes live in Missouri’s Bootheel. They all have some combination of prominent bands on the back, or a plain yellow belly, or a yellow belly strongly marked with black patches. Watersnakes are often confused with the venomous western cottonmouth and needlessly killed. The true cottonmouth is more heavy-bodied, with a larger, chunky head; has a facial pit between the nostril and eye on either side of the head; is darker; and has a light line from each eye to the corner of the mouth. Primarily a swamp-dwelling snake. In Missouri, it prefers the cypress swamps and river sloughs of the Mississippi Lowlands. This harmless, semiaquatic snake was once somewhat common in southeastern Missouri but is now quite rare.
They breed in April or May, and give birth to young in August or September. Its diet has changed since the introduction of the round goby fish in the s. Water snake scales are keeled; they have a raised ridge down the center, making them rough to the touch. In Alabama, they are found only in Mobile and Baldwin Counties. The U. Little is known about the diet of the N. Fall Color Updates. Places to Go. University of Georgia Press. Nerodia floridana, commonly known as the Florida Green Watersnake, or Eastern Green Watersnake, is a harmless North American species of water snakes in the family Colubridae.
The Cottonmouth is usually darker and will typically open its mouth as a warning display, showing the bright white interior of its mouth. Adults are eaten by predatory mammals and birds. Midland Brownsnake Storeria dekayi wrightorum. Juvenile snakes have about 50 dark bars down their dorsum and on their sides, which fade gradually with age. Identification: Field Guide. Ecosystem connections . They breed in April or May, and give birth to young in August or September. There are two isolated populations, in western and southern South Carolina. Outside of Florida, it occurs into southern Georgia, and in a disjunct population in southeastern South Carolina. However, their populations are thought to be stable. The type locality is New Orleans, Louisiana.