Species Reptiles & AmphibiansWestern Rattlesnake

Western Rattlesnake

Crotalus oreganus

CommonReptile & Amphibian
Illustration of Western Rattlesnake (Crotalus oreganus)
Safety note: Venomous — keep distance

The Western Rattlesnake encompasses several subspecies across the Pacific states. It varies considerably in color and pattern across its range. A sit-and-wait predator that relies on heat-sensing pits to detect prey.

Habitat
Rocky hillsides, chaparral, grasslands, and open forests
Diet
Rodents, rabbits, and lizards
How common
Common

Recent Western Rattlesnake sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

Spot a Western Rattlesnake? Identify it instantly.

Point Huck at any plant or animal and get an instant ID, rarity, and field notes — building your personal nature collection as you go.

Get Huck — free

More reptiles & amphibians

African Clawed Frog
African Clawed Frog
Xenopus laevis
Allegheny Mountain Dusky Salamander
Allegheny Mountain Dusky Salamander
Desmognathus ochrophaeus
Alligator Snapping Turtle
Alligator Snapping Turtle
Macrochelys temminckii
American Alligator
American Alligator
Alligator mississippiensis
American Bullfrog
American Bullfrog
Lithobates catesbeianus
American Crocodile
American Crocodile
Crocodylus acutus
American Toad
American Toad
Anaxyrus americanus
Arboreal Salamander
Arboreal Salamander
Aneides lugubris