Salvadora hexalepis
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~10% in a week ~20%
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 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 →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Death Valley National Park | 🇺🇸 United States | |
| 2 | Joshua Tree National Park | 🇺🇸 United States | |
| 3 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | |
| 4 | Grand Canyon National Park | 🇺🇸 United States | |
| 5 | Saguaro National Park | 🇺🇸 United States | |
| 6 | Zion National Park | 🇺🇸 United States |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Arizona-Sonora Desert Museum | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Western Patch-nosed Snake sighting in Phoenix on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 21st most-seen of the 23 reptiles we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
April and June–July
In those months about 10% of wildlife watchers report a Western Patch-nosed Snake in Phoenix on a given day, against under 5% in May and August–March, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Western Patch-nosed Snake sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 cities where we can rate Western Patch-nosed Snake sightings, Phoenix ranks 2nd at under 5%. The best odds are in Mesa (United States, about 10%).
Same family: Colubridae
The closest relatives of the Western Patch-nosed Snake that you can see in Phoenix (family Colubridae, Colubrid Snakes) are California King Snake (about 10%), Gopher Snake (about 10%) and Ground Snake (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Western Patch-nosed Snake is recorded against all the reptiles logged in Phoenix (7 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
