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Nerodia sipedon pleuralis, the midland water snake, a subspecies of the common watersnake (Nerodia sipedon), is a nonvenomous natricine snake, which is endemic to North America. [ 5 ] [ 2 ] Geographic range
Endangered Species Act protections for the snake included designation of 120 ha (300 acres) of inland habitat and 18 km (11 mi) of shoreline for breeding grounds. Wetlands have been lost at an astounding rate over the years, and the reptiles within those wetlands have shown a decline as well. [ 32 ]
Nerodia rhombifer, diamondback water snake, giving birth Nerodia species are viviparous , breeding in the spring and giving birth in the late summer or early fall. They are capable of having 90 or more young, but broods generally are much smaller.
Nocturnal foraging has been observed in the southern part of the range, and after hot, humid summer days in the northern sector. Prey species are caught in water and on land, often far from wetlands. The snakes find food in the woods after the late spring rains, especially if there is a high water table, cover items and chimney crayfish burrows.
Nerodia rhombifer, commonly known as the diamondback water snake, is a species of nonvenomous natricine colubrid endemic to the central United States and northern Mexico. There are three recognized subspecies of N. rhombifer , including the nominotypical subspecies .
The plain-bellied water snake is considered a conservation risk because of loss of wetlands and other anthropogenic factors. 35% of wetlands worldwide have been lost from 1970 to 2015. [14] This species is often struck by vehicles while it crosses highways traveling from one water source to another.
The Lake Erie watersnake varies in its appearance. Males can reach 59–71 cm (23–28 in) in length, while females can reach 80–88 cm (31–35 in). [7] The subspecies is closely related to the northern watersnake, but its dorsal brown bands are less prominent, giving it a more uniformly gray appearance.
Like other water snakes of the southeastern U.S., N. floridana hibernates during the winter in the northern, coldest parts of its range. In colder areas and months, the snake can be seen basking outdoors on sunny days. In southern Florida, it often travels overland on rainy days. [4]