Sharp-tailed Snake

Sharp-tailed Snake

Contia tenuis

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Yosemite National Park
7 Verified sightings at Yosemite National Park From 2019 to 2026
7 Verified sightings across 1 park From 2019 to 2026
March Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Sharp-tailed Snake

The sharp-tailed snake or sharptail snake (Contia tenuis) is a small species of nonvenomous snake in the family Colubridae. The species is endemic to the Western United States and British Columbia. Additional common names for C. tenuis include brown snake, gentle brown snake, Oregon worm snake, Pacific brown snake, Pacific ground snake, and purple-tailed snake.

C. tenuis is distributed through the states of California, Oregon, and Washington, as well as British Columbia, Canada: Southern Vancouver Island, British Columbia around Victoria, British Columbia, in Pemberton, British Columbia and newly discovered in 2026 on Lasqueti Island, British Columbia.

The sharp-tailed snake has an average total length (including tail) of 12–18 in (30–46 cm) as an adult. It is distinguished by its sharp tail spine, which is the protruding tip of the last tail vertebra. The spine is not toxic and cannot injure humans. Rather, the tail is used to stabilize small prey, such as slugs, for consumption. The dorsal surface ranges in color from grayish brown to brown to brick red, with bubble-gum pink and peachy-orange specimens occasionally found... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Yosemite National Park 🇺🇸 United States
~10%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Sharp-tailed Snake in Yosemite National Park?

About 10% of wildlife watchers report a Sharp-tailed Snake sighting in Yosemite National Park, based on 7 verified sightings from GBIF citizen-science data.

When is the best time to see Sharp-tailed Snake in Yosemite National Park?

March has the highest sighting rate for Sharp-tailed Snake in Yosemite National Park in our monthly data.

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