Snakes in King County

• 
  Eastern Massasauga

  Sistrurus catenatus

  ▲ Venomous

  Stout, dark-blotched body, nine large scales on the crown, and a small rattle.

• 
  Western Diamond-backed Rattlesnake

  Crotalus atrox

  ▲ Venomous

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

• 
  Western Massasauga

  Sistrurus tergeminus

  ▲ Venomous

  Stout, dark-blotched body, nine large scales on the crown, and a small rattle.

• 
  Prairie Rattlesnake

  Crotalus viridis

  ▲ Venomous

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

Every snake recorded in King County

Eastern Massasauga

Sistrurus catenatus

▲ Venomous

Great Plains Ground Snake

Sonora episcopa

Harmless

Ground Snake

Sonora semiannulata

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

No photo

Mexican Whip Snake

Masticophis lineatus

Harmless

Glossy Snake

Arizona elegans

Harmless

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Sinaloan Nightsnake

Hypsiglena torquata

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Western Massasauga

Sistrurus tergeminus

▲ Venomous

Gopher Snake

Pituophis catenifer

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Eastern Kingsnake

Lampropeltis getula

Harmless

Plains Hognose Snake

Heterodon nasicus

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Pine Snake

Pituophis melanoleucus

Harmless

Plains Black-headed Snake

Tantilla nigriceps

Harmless

Tantilla selmae

Harmless

Levant Rat Snake

Elaphe druzei

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Nearby counties