Crotalus o. oreganus Northern Pacific rattlesnake
Key ID features:
- heavy bodied with large dark spots
- wide triangular head
- distinct eye stripe
- rattle at tail tip
- venomous.
- ventral (belly) scales light colored with dark blotches
- dorsal (back) scales- strongly keeled
- vertical pupil
- has a heat-sensitive pit on face
Cryptic coloration varies on habitat.