2 Types of Rattlesnakes in Idaho

2 types of rattlesnakes have a verified observation record in Idaho. The most frequently recorded are Western Rattlesnake and Prairie Rattlesnake. Here is the full list, ranked by how often each is reported on iNaturalist.

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2 types of rattlesnakes have a verified observation record in Idaho. The most frequently recorded are Western Rattlesnake and Prairie Rattlesnake. Here is the full list, ranked by how often each is reported on iNaturalist.

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Real sighting data, source iNaturalist

809 verified observations on iNaturalist of rattlesnake have been recorded in Idaho, most often in June, May, July.

When rattlesnake are recorded in Idaho

Verified species, source iNaturalist

2 types of rattlesnakes recorded in Idaho

2 rattlesnake species have a verified observation record in Idaho, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

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    1

    Western Rattlesnake

    Crotalus oreganus

    756 recordsNative
  • No openly licensed photo yet
    2

    Prairie Rattlesnake

    Crotalus viridis

    53 recordsNative

Counts from verified iNaturalist observations.

The Western Rattlesnake (Crotalus oreganus) is the most commonly recorded, with 756 verified observations, about 93% of all rattlesnakes reported in Idaho. If you spot a rattlesnake here, it is statistically most likely to be this one.