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Colorado Herpetological Society's

Guide to the Reptiles and Amphibians of Colorado

 

About this Guide

Naming Conflicts,
Documenting,
& References


INDEX OF SPECIES
By Common Name
By Scientific Name
Grouped By Family

Index of Counties
Map of Counties

IDENTIFICATION KEYS
Amphibians
Turtles
Lizards
Snakes

List of Subspecies

CHS Home Page

 

Massasauga
(Sistrurus catenatus)

Massasauga

Family Viperidae

Photo by L. Livo and S. Wilcox,
from Hammerson, 1986.
Used with permission.

Last Updated on January 20, 2000.


Massasauga (Sistrurus catenatus)   Range Map
Color Key
Description:
Adults 24" to 36" in length. Color light gray to grayish brown, with median row of darker blotches on back; typically with three rows of similar but smaller blotches on sides. Wide head, with enlarged scales between and in front of eyes. Narrow neck, and stout body, and keeled scales. Eyes with vertical pupils.
Elevation Range:
Below 5500' in southeastern Colorado.
Subspecies in Colorado:
Integrades between Sistrurus catenatus edwardsii and S. c. tergeminus in southeastern Colorado

Massasauga
(Sistrurus catenatus)
CountyRef. CountyRef. CountyRef. CountyRef.
Adams  Dolores  La Plata  Pitkin 
Alamosa  Douglas  Lake  ProwersJH4
Arapahoe  Eagle  Larimer  PuebloH
Archuleta  El PasoSTP1 Las AnimasGAH8 Rio Blanco 
BacaSM2, CM5 Elbert  LincolnH Rio Grande 
BentH Fremont  Logan  Routt 
Boulder  Garfield  Mesa  Saguache 
Chaffee  Gilpin  Mineral  San Juan 
CheyenneH Grand  Moffat  San Miguel 
Clear Creek  Gunnison  Montezuma  Sedgwick 
Conejos  Hinsdale  Montrose  Summit 
Costilla  Huerfano  Morgan  Teller 
CrowleyH Jackson  OteroH Washington 
Custer  Jefferson  Ouray  Weld 
Delta  KiowaH Park  Yuma 
Denver  Kit Carson *  Phillips 


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