massasauga rattler vs Sistrurus catenatus

massasauga rattler and Sistrurus catenatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
massasauga rattler	Yes	No	No	No
Sistrurus catenatus	Yes	No	No	No

As nouns, massasauga rattler and Sistrurus catenatus are synonyms defined as:

massasauga rattler and Sistrurus catenatus: pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians

Other synonyms of massasauga rattler include massasauga.

massasauga rattler (noun)	Sistrurus catenatus (noun)
pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians	pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians