Size of average adult is 3-4.5 feet Diet Mice, rats, squirrels, rabbits, bats and other small mammals Behavior Active during the day in spring and fall Active at night in summer Retreats into burrows in winter Spends long periods of time coiled waiting for prey Mates in spring and has offspring every other year with 10 in a litter and young are venomous at birth Environmental/Global They live in heavily vegetated, rocky forested hillsides mostly in the eastern half of the United States Western Massasauga Sistrurus catenatus Physical Characteristics The head, body and tail of these rattlesnakes are gray or light brown with dark gray or brown blotches on the back and tail.
(Size of average adult; is; 3-4.5 feet Diet Mice, rats, squirrels, rabbits, bats and other small mammals) (young; are; venomous at birth) (The head, body and tail of these rattlesnakes; are; gray or light brown with dark gray or brown blotches on the back and tail) (They; live; L:in heavily vegetated) (long periods of time; coiled waiting; for prey Mates; T:in spring)
Size of average adult young The head, body and tail of these rattlesnakes They long periods of time
is are are live coiled waiting
3-4.5 feet Diet Mice, rats, squirrels, rabbits, bats and other small mammals
venomous at birth
gray or light brown with dark gray or brown blotches on the back and tail
L:in heavily vegetated
for prey Mates T:in spring