If you come across a rattlesnake in Michigan, it’s an eastern massasauga (Sistrurus catenatus), the only venomous snake in the state. They’re relatively small for rattlers, averaging two to three feet ...

Eastern Massasauga rattlesnakes are found in the wetlands of Michigan and other Midwestern states. “These are fairly large and stable populations of Eastern Massasaugas,” study co-author and Michigan ...

Roads, buildings and farms are preventing Michigan's only rattlesnake from finding mates outside of their population. A 15-year study shows that fragmentation into smaller, more isolated patches is ...

GRAND RAPIDS, Mich. (WOOD) — Months after an endangered rattlesnake was found killed at a University of Michigan garden, a new brood of the species was found there. The Matthaei Botanical Gardens and ...

Baby rattlesnakes at University of Michigan's Matthaei Botanical Gardens An Eastern massasauga rattlesnake dubbed Gertrude or "Gertie" gave birth in a visible open drain tile in the summer of 2025.