Animalia → Reptilia → Viperidae
Western Rattlesnake
Crotalus oreganus
Colton Veltkamp · CC-BY-NC
ORBIC List 4S5
State Rank
SX
S1
S2
S3
S4
S5
S5 — Secure in Oregon
G5
Global Rank
Secure
List 4
ORBIC
Apparently Secure
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Blue Mountains
N. Basin & Range
Coast Range
East Cascades
Klamath Mountains
West Cascades
Willamette Valley
Counties
Baker · Benton · Coos · Crook · Curry · Deschutes · Douglas · Gilliam · Grant · Harney · Hood River · Jackson · Jefferson · Josephine · Klamath · Lake · Linn · Malheur · Marion · Morrow · Sherman · Umatilla · Union · Wallowa · Wasco · Wheeler
Other states / provinces
CA, ID, WA +
Range map
Certain
Possible
Extirpated
Absent