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The eastern massasauga (Sistrurus catenatus) is a rattlesnake species found in central and eastern North America from southern Ontario in Canada and throughout the Midwestern and Eastern United States. Like all rattlesnakes, it is a pit viper and is venomous; it is the only species of venomous snake in Ontario. [4]
It was once considered a subspecies of the eastern massasauga (Sistrurus catenatus).It contains two subspecies: the nominate S. t. tergeminus, or plains massasauga, found in the Great Plains, and S. t. edwardsii, or desert massasauga, found in the deserts of the Southwestern United States and northern Mexico.
Timber rattlesnake. A photo of a timber rattlesnake, retrieved from kysnakes.ca.uky.edu/venomous. ... The eastern massasauga is Pennsylvania’s smallest venomous snake and lives only in wetland ...
Sistrurus species differ from the larger rattlesnakes of the genus Crotalus in a number of ways. They are smaller in size, but also their scalation is different: Sistrurus species have nine large head plates (same as Agkistrodon), whereas in Crotalus (and almost all other viperids), the head is mostly covered with a large number of smaller scales.
Venom: Eastern massasauga venom is cytotoxic, meaning it destroys cells generally. This can cause swelling, inflammation or tissue death at the bite. This can cause swelling, inflammation or ...
A rare and endangered rattlesnake has been seen in Ohio. An eastern massasauga rattlesnake was caught during the Ohio Division of Wildlife's annual snake survey last month by Huron County Wildlife ...
Sistrurus tergeminus edwardsii, also known as the desert massasauga, is a subspecies of venomous pit viper [3] in the family Viperidae. The subspecies is endemic to the Southwestern United States and northern Mexico. In places, its range overlaps that of S. t. tergeminus, and intergrading of the two subspecies is known.
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