This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device.


Crotalus horridus Linnaeus, 1758 - Timber Rattlesnake


Potential County Records

Potential counties for Crotalus horridus (Timber Rattlesnake). Counties are listed in descending order of their likelihood of having this species. Click on a county to view more information about that county. Click on column headings to sort by that column.
Likelihood County Rationale Ecoregion / Watershed
2 Audrain Same Level IV ecoregion, within 5 miles Claypan Prairie
2 Camden Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Cole Same Level IV ecoregion, within 5 miles River Hills
2 Cooper Same Level IV ecoregion, within 5 miles River Hills
2 Crawford Same Level IV ecoregion, within 5 miles Meramec River Hills
2 De Kalb Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Franklin Same Level IV ecoregion, within 5 miles Eastern Ozark Border
2 Franklin Same Level IV ecoregion, within 5 miles River Hills
2 Linn Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Maries Same Level IV ecoregion, within 5 miles Central Plateau
2 Miller Same Level IV ecoregion, within 5 miles Osage/Gasconade Hills
2 Putnam Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Ralls Same Level IV ecoregion, within 5 miles River Hills
2 Vernon Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Warren Same Level IV ecoregion, within 5 miles River Hills
4 Greene Same Level IV ecoregion, within 10 miles Springfield Plateau
4 Lewis Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Macon Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Marion Same Level IV ecoregion, within 10 miles River Hills
4 Oregon Same Level IV ecoregion, within 10 miles Current River Hills
4 Phelps Same Level IV ecoregion, within 10 miles Meramec River Hills
4 Saint Francois Same Level IV ecoregion, within 10 miles St. Francois Knobs and Basins
4 Texas Same Level IV ecoregion, within 10 miles Current River Hills
6 Atchison Same Level IV ecoregion, within 20 miles Missouri Alluvial Plain
6 Cedar Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Douglas Same Level IV ecoregion, within 20 miles White River Hills
6 Gasconade Same Level IV ecoregion, within 20 miles River Hills
6 Jasper Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Knox Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Knox Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Lawrence Same Level IV ecoregion, within 20 miles Springfield Plateau
6 Nodaway Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Nodaway Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Ozark Same Level IV ecoregion, within 20 miles White River Hills
6 Polk Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Pulaski Same Level IV ecoregion, within 20 miles Central Plateau
6 Randolph Same Level IV ecoregion, within 20 miles River Hills
6 Randolph Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Scotland Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Shelby Same Level IV ecoregion, within 20 miles River Hills
6 Webster Same Level IV ecoregion, within 20 miles White River Hills
6 Webster Same Level IV ecoregion, within 20 miles Central Plateau
6 Worth Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Wright Same Level IV ecoregion, within 20 miles Central Plateau
7 Mississippi Same Level III ecoregion, within 20 miles Interior River Valleys and Hills
8 Dade Same Level IV ecoregion, within 30 miles Springfield Plateau
8 New Madrid Same Level IV ecoregion, within 30 miles St. Francis Lowlands
9 McDonald Same Level III ecoregion, within 30 miles Ozark Highlands
9 Newton Same Level III ecoregion, within 30 miles Ozark Highlands
10 Pemiscot Same Level IV ecoregion, adjacent county St. Francis Lowlands