Ridge-nosed rattlesnake
Venomous · Crotalus willardi
DangerousA bite is a medical emergency
Arizona's state reptile and a protected species. A bite needs emergency care.
- Lives in
- 2 states
- Size
- 12–24 in
- Open US records
- 160
- Group
- Snake
How to identify it
- Raised ridge along the edge of the snout
- White stripes on the face
- Reddish brown with thin pale crossbars
Size: 12–24 in (total length). Habitat: Pine-oak canyons in the mountains of southeastern Arizona and southwestern New Mexico.
Where it lives
- Lives here
- Rare records
- Gone
- Not here
When it is out
State by state
| State | Status | Open records | Counties |
|---|---|---|---|
| Arizona | Lives here | 136 | 4 |
| New Mexico | Lives here | 23 | 1 |
| Texas | Rare records | 1 | 0 |
States not listed have no open records and are outside the range.
Questions
Where does the ridge-nosed rattlesnake live?
In 2 states: Arizona and New Mexico. Rare records also come from Texas.
Is the ridge-nosed rattlesnake dangerous?
Dangerous. Arizona's state reptile and a protected species. A bite needs emergency care.
How do you identify a ridge-nosed rattlesnake?
Raised ridge along the edge of the snout. White stripes on the face. Reddish brown with thin pale crossbars.
When is the ridge-nosed rattlesnake most active?
Most open US records fall in August to September.