Western Patch-nosed Snake

Western Patch-nosed Snake

Salvadora hexalepis

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at El Vizcaíno Biosphere Reserve
10 Verified sightings at El Vizcaíno Biosphere Reserve From 2019 to 2026
154 Verified sightings across all 5 parks From 2019 to 2026
November Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Western Patch-nosed Snake

Salvadora hexalepis, the western patch-nosed snake, is a species of non-venomous colubrid snake, which is endemic to the southwestern United States and northern Mexico. It is found in the southwestern United States in the states of Arizona, southern California, Nevada, southern New Mexico, and southwestern Texas. It is also found in northern Mexico in the Mexican states of Baja California, Baja California Sur, Chihuahua, Sinaloa, and Sonora.

The following four subspecies are recognized, along with their geographic ranges: Adults of Salvadora hexalepis are, on average, 20-46 inches (51–117 cm) in total length; the record total length is 58 in (150 cm). They have a distinctive, thick scale curved back over the top of the snout, and free at the edges.

All subspecies are yellowish with blackish lateral stripes in various arrangements. The dorsal scales are smooth, and the anal plate is divided. The western patch-nosed snake inhabits arid deserts in its area. It feeds upon lizards, snakes, reptile eggs, and small rodents. 4-10 eggs are laid during spring or early summer and hatch in August through... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
~20%
2 Joshua Tree National Park 🇺🇸 United States
~10%
3 Saguaro National Park 🇺🇸 United States
~10%
4 Cabo Pulmo National Park 🇲🇽 Mexico
Insufficient data
5 Bahía de Loreto National Park 🇲🇽 Mexico
Insufficient data

Quick answers

What are the chances of seeing a Western Patch-nosed Snake in El Vizcaíno Biosphere Reserve?

About 20% of wildlife watchers report a Western Patch-nosed Snake sighting in El Vizcaíno Biosphere Reserve, based on 10 verified sightings from GBIF citizen-science data.

When is the best time to see Western Patch-nosed Snake in El Vizcaíno Biosphere Reserve?

November has the highest sighting rate for Western Patch-nosed Snake in El Vizcaíno Biosphere Reserve in our monthly data.

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