Northern Prairie Wildlife Research Center
A Survey of the Herpetofauna of the Comanche National Grasslands in Southeastern
Photographs of selected habitat and species of amphibians and
reptiles observered during the 1995-1997 field seasons
| Anterior end of a western hognose snake (Heterodon nasicus nasicus;
top) and a desert massasauga (Sistrurus catenatus edwardsi; bottom);
note the basic similarity of the dorsal and lateral blotch pattern.
These snakes are both sympatric and syntopic in much of their distribution
in southeastern Colorado and have been found at the same point crossing/basking
on roads at night.
Previous Section -- Prairie rattlesnake (Crotalus
viridis viridis) & Massasauga rattlesnake (Sistrurus catenatus edwardsi)
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Next Section -- Typical prairie & overgrazed prairie
with extensive fecal contamination