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.

The eastern massasauga rattlesnake (Sistrurus catenatus catenatus) is a unique and fascinating part of Michigan's natural heritage. It is Michigan's only venomous snake, and one of only two rattlesnake species that occur in the Great Lakes region.

The eastern massasauga rattlesnake is a small pit viper that occurs in the northern midwest United States and Ontario, Canada. Originally believed to be a subspecies of western massasauga rattlesnake, genetic analyses have since demonstrated it to be a distinct species that was reclassified in 2011 as Sistrurus catenatus .

The massasauga (Sistrurus catenatus) is a venomous rattlesnake species found in midwestern North America. Like all rattlesnakes, it belongs to the pit viper family.

The adult massasauga, also known as the "swamp rattler," is a stout-bodied snake with a broad head. It measures 18-40 inches in length. Average length is 27.5 inches.

Eastern Massasauga Rattlesnake This small, stout rattlesnake is listed by the U.S. Fish and Wildlife Service as a federally threatened species. In Pennsylvania, only four of 19 historic populations still exist, making it a critically imperiled endangered species.

2024年4月3日 · Massasaugas are one of the milder rattlesnakes of North America. Its raw venom has an LD50 score of 2.9mg, while the venom yield is similarly weak at 15-45mg per bite. An eastern diamondback can unleash a flood of 400mg per bite, and with a …