Two-striped Garter Snake
Thamnophis hammondii
Silhouette: Alex Slavenko · PhyloPic
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassSquamata
- FamilyColubridae (Colubrid Snakes)
- GenusThamnophis (Garter Snakes)
- SpeciesThamnophis hammondii (Two-striped Garter Snake)
About the Two-striped Garter Snake
The two-striped garter snake (Thamnophis hammondii) is a species of aquatic snake in the subfamily Natricinae of the family Colubridae. The species is endemic to western North America. The specific name hammondii is in honor of William A. Hammond, the U.S. Army surgeon who collected the first specimens.
T. hammondii is a medium-sized snake, 18–30 in (46–76 cm) in total length (including tail), with a head barely wider than the neck. Two common color variations occur in the wild, a striped variant and a checkered variant. The striped variant has a yellowish lateral stripe on each side, and a fairly uniform dorsal coloring. The checkered variant lacks the lateral stripes and has two rows of small dark spots on each side.
The two-striped garter snake is found in western North America, ranging from central California to Baja California, Mexico. It is a highly aquatic species, and prefers habitat adjacent to permanent or semi-permanent bodies of water. This species feeds primarily on fishes and amphibians.
T. hammondii is ovoviviparous. Boulenger... Wikipedia →
Recent sightings of Two-striped Garter Snake in Channel Islands National Park
LIVEiNaturalistClosest Relatives at Channel Islands National Park
Western Terrestrial Garter Snake
Thamnophis elegans
Common Garter Snake
Thamnophis sirtalis
Gopher Snake
Pituophis catenifer
Striped Racer
Masticophis lateralis
Ringneck Snake
Diadophis punctatus
Coachwhip
Masticophis flagellum
California King Snake
Lampropeltis californiae
California Mountain Kingsnake
Lampropeltis zonata
North American Racer
Coluber constrictor
Global Distribution
Warmer areas are where this animal is recorded most often.
Parks Where Found
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Joshua Tree National Park | 🇺🇸 United States |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Two-striped Garter Snake in Channel Islands National Park?
About 10% of wildlife watchers report a Two-striped Garter Snake sighting in Channel Islands National Park, based on 11 verified sightings from GBIF citizen-science data.
When is the best time to see Two-striped Garter Snake in Channel Islands National Park?
May has the highest sighting rate for Two-striped Garter Snake in Channel Islands National Park in our monthly data.