https://www.fws.gov/species/eastern-massasauga-sistrurus-catenatus
Eastern Massasauga (Sistrurus catenatus) | U.S. Fish & Wildlife Service
Massasaugas are small snakes with thick bodies, heart-shaped heads and vertical pupils. The average length of an adult is about 2 feet. Adult massasaugas are...
eastern massasaugafishwildlifeservice
https://species.wikimedia.org/wiki/Sistrurus_tergeminus
Sistrurus tergeminus - Wikispecies
wikispecies
https://www.usgs.gov/publications/massasauga-sistrurus-catenatus-rafinesque-1818
Massasauga, Sistrurus catenatus (Rafinesque 1818) | U.S. Geological Survey
No abstract available.
u smassasaugageologicalsurvey