Striped Racer
Masticophis lateralis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusMasticophis (Whipsnakes)
- SpeciesMasticophis lateralis (Striped Racer)
Closest Relatives at Yosemite National Park
California Mountain Kingsnake
Lampropeltis zonata
Western Terrestrial Garter Snake
Thamnophis elegans
Western Aquatic Garter Snake
Thamnophis couchii
Gopher Snake
Pituophis catenifer
Common Garter Snake
Thamnophis sirtalis
Ringneck Snake
Diadophis punctatus
Sharp-tailed Snake
Contia tenuis
North American Racer
Coluber constrictor
Coast Night Snake
Hypsiglena ochrorhynchus
California King Snake
Lampropeltis californiae
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 2 | Channel Islands National Park | 🇺🇸 United States | |
| 3 | Joshua Tree National Park | 🇺🇸 United States | |
| 4 | Yosemite National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Striped Racer in Yosemite National Park?
About 7% of visitor-days record a Striped Racer sighting in Yosemite National Park, based on 11 observer-days of citizen-science data from GBIF.
When is the best time to see Striped Racer in Yosemite National Park?
April has the highest sighting rate for Striped Racer in Yosemite National Park in our monthly data.