Venomous snakes in Santa Cruz County, Arizona

Field entries

1. 

   Western Black-tailed Rattlesnake

   Crotalus molossus

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Commonly seenFull profile →

2. 

   Western Diamond-backed Rattlesnake

   Crotalus atrox

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Commonly seenFull profile →

3. 

   Rock Rattlesnake

   Crotalus lepidus

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Often seenFull profile →

4. 

   Tiger Rattlesnake

   Crotalus tigris

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Often seenFull profile →

5. 

   Ridge-nosed Rattlesnake

   Crotalus willardi

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Often seenFull profile →

6. 

   Mojave Rattlesnake

   Crotalus scutulatus

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Often seenFull profile →

7. 

   Sonoran Coralsnake

   Micruroides euryxanthus

   ▲ Venomous

   How to identify

   Red, yellow (whitish), and black rings with red touching yellow; blunt black snout.

   Often seenFull profile →

8. 

   Twin-spotted Rattlesnake

   Crotalus pricei

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Occasionally seenFull profile →

9. 

   Sidewinder

   Crotalus cerastes

   ▲ Venomous

   How to identify

   Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

   Rarely seenFull profile →

10. 

    Prairie Rattlesnake

    Crotalus viridis

    ▲ Venomous

    How to identify

    Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

    Rarely seenFull profile →