Arizona Ridge-nosed Rattlesnake
Arizona’s small mountain rattlesnake favors cool, rocky pine-oak canyons and shows pale facial stripes across an upturned snout.
Artwork inspired by Ted DeGrazia
For Arizona Ridge-nosed Rattlesnake (Crotalus willardi willardi), record the whole form before isolating details. For Arizona Ridge-nosed Rattlesnake, use “Small rattlesnake with pale facial stripes and upturned snout scales” for the first hypothesis and “tracks and feeding sign” for confirmation.
Place the sighting of Arizona Ridge-nosed Rattlesnake in context by recording “Cool rocky canyons and pine-oak woodland in southeastern Arizona mountain ranges” and “Warm season; mild, wet periods”. For Arizona Ridge-nosed Rattlesnake, the detail “gait, shelter use, and behavior” makes the observation easier to check.
- Primary state
- Arizona
- Status
- Arizona state reptile; protected, localized mountain snake
- Range
- United States and Mexico
Quick guide
- Read the form
- Small rattlesnake with pale facial stripes and upturned snout scales
- Cross-check
- tracks and feeding sign; context: Cool rocky canyons and pine-oak woodland in southeastern Arizona mountain ranges
A close field reading of Arizona Ridge-nosed Rattlesnake
- Begin with structure
- Begin with Small rattlesnake with pale facial stripes and upturned snout scales.
- Challenge the first impression
- After the overall form, confirm tracks and feeding sign.
- Check when and where
- Search Cool rocky canyons and pine-oak woodland in southeastern Arizona mountain ranges, using habitat as supporting evidence rather than proof by itself.
- Keep behavior natural
- Leave Arizona Ridge-nosed Rattlesnake and its habitat exactly as found.
Good to know
For Arizona Ridge-nosed Rattlesnake, repeated quiet observation from one position generally reveals more diagnostic information than following, handling, or repositioning the subject.
Notice these
- Small rattlesnake with pale facial stripes and upturned snout scales