Sistrurus catenatus edwardsii
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Authored by: Garth Teitjen
||Edward's Massasauga, Edward's Rattlesnake
||A small 14"-32" Rattlesnake. They are a light silver-gray to
gray-brown rattlesnake. Large, oval, crisp-edged, dark brown blotches
line the back. A row of faded, soft-edged blotches lines each side.
Below that row there are two additional rows of crisp-edged, dark
gray-brown blotches. A dark brown bar bordered by a thin white
lower-edge extends back from each eye. The underside is usually plain
cream or white. The pupils are vertically elliptical and the scales
are keeled. Head is triangular.
||Found in valleys, on low sloping alluvial fans and on rolling
grass-covered hills within the semidesert grassland. Found at
elevations ranging from about 3,500' to about 4,600'.
||t is primarily nocturnal, but is occasionally encountered in the
morning, on overcast days, or just before sunset. It spends most of
it's time underground in rodent burrows.
||Hibernates during the cold months, most likely
||Livebearing, gives live birth to a litter of 4 to 8 young in late summer. Young have a yellow tail that is used to lure
||They eat lizards, frogs, centipedes, mice, and other small mammals.