Snake |
Average Length |
Rattlesnakes |
|
Eastern diamondback (Crotalus adamateus) |
33–65 in (84–165 cm) |
Western diamondback (Crotalus atrox) |
30–65 in (76–419 cm) |
Timber rattlesnake (Crotalus horridus horridus) |
32–54 in (81–137 cm) |
Prairie rattlesnake (Crotalus viridis viridis) |
32–46 in (81–117 cm) |
Great Basin rattlesnake (Crotalus viridis lutosus) |
32–46 in (81–117 cm) |
Southern Pacific rattlesnake (Crotalus viridis helleri) |
30–48 in (76–122 cm) |
Red diamond rattlesnake (Crotalus ruber ruber) |
30–52 in (76–132 cm) |
Mojave rattlesnake (Crotalus scutulatus) |
22–40 in (56–102 cm) |
Sidewinder (Crotalus cerastes) |
18–30 in (46–76 cm) |
Moccasins |
|
Cottonmouth (Agkistrodon piscivorus) |
30–50 in (76–127 cm) |
Copperhead (Agkistrodon contortrix) |
24–36 in (61–91 cm) |
Cantil (Agkistrodon bilineatus) |
30–42 in (76–107 cm) |
Coral snakes |
|
Eastern coral snake (Micrurus fulvius) |
16–28 in (41–71 cm) |