northern pacific rattlesnake

Crotalus oreganus ssp. oreganus

Member of pit vipers (subfamily Crotalinae)
vipers (family Viperidae)
snakes (suborder Serpentes)
reptiles (class Reptilia)
animals (kingdom Animalia)

There are no other wild species of this genus in the bay area.

There are no other wild members of this species in the bay area.

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• rattle
• wide triangular head
• non-glossy body
• vertical-slit pupils

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Chris’s observations: 8 (all are research grade)

Locations:

• Henry Coe SP: 2
• Castle Rock SP
• Coal Mine Ridge Nature Preserve
• Desolation Wilderness
• Ed R. Levin CP
• Joseph D. Grant CP
• Sunol Wilderness RP

Months:

• Mar.: 2
• Apr.: 3
• May: 0
• Jun.: 1
• Jul.: 0
• Aug.: 1
• Sep.: 1

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Taxon info: iNaturalist

Bay Area species: iNaturalist