Sceloporus magister
Silhouette: SeismicShrimp · PhyloPic
In 3 days ~80% in a week >90%
Sceloporus magister, also known as the desert spiny lizard, is a lizard species of the family Phrynosomatidae, native to the Chihuahuan Desert and Sonoran Desert of North America. In the United States it is found in the states of Arizona, California, Texas, New Mexico, Nevada, and Utah. It is also found in the Mexican states of Sonora, Baja California, Chihuahua, Coahuila, and Durango.
An adult male desert spiny lizard usually have conspicuous blue/violet patches on the belly and throat, and a green/blue color on their tails and sides. Females and juveniles have large combined dark spots on their back and belly areas, and the blue/violet and green/blue coloring is absent. Both sexes have brownish/yellow triangular spots on their shoulders. A female desert spiny lizard will lay anywhere from 4 to 24 eggs during the summertime. A fully grown desert spiny lizard will reach a body length of up to 5.6 inches. Besides their bright colors, the desert spiny lizard changes to darker colors during the winter to allow them to absorb more heat from the sunshine, and become lighter during the summer to reflect the Sun's radiation. It is frequently seen doing... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Joshua Tree National Park | 🇺🇸 United States | |
| 2 | Grand Canyon National Park | 🇺🇸 United States | |
| 3 | Saguaro National Park | 🇺🇸 United States | |
| 4 | Zion National Park | 🇺🇸 United States | |
| 5 | Death Valley National Park | 🇺🇸 United States |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Phoenix Zoo | 🇺🇸 United States | |
| 2 | Montgomery Zoo | 🇺🇸 United States | |
| 3 | Arizona-Sonora Desert Museum | 🇺🇸 United States | |
| 4 | Bergen County Zoological Park | 🇺🇸 United States |
Likely
About 40% of wildlife watchers report a Desert Spiny Lizard sighting in Saguaro National Park on a given day, based on 526 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 3rd most-seen of the 51 reptiles we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
May and July
In those months about 60% of wildlife watchers report a Desert Spiny Lizard in Saguaro National Park on a given day, against about 10% in November to February, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Desert Spiny Lizard sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 5
Of the 5 parks where we can rate Desert Spiny Lizard sightings, Saguaro National Park ranks 3rd at about 40%. The best odds are in Joshua Tree National Park (United States, about 70%) and Grand Canyon National Park (United States, about 50%). All parks ranked.
Same genus: Sceloporus
The closest relatives of the Desert Spiny Lizard that you can see in Saguaro National Park (genus Sceloporus, Spiny Lizards) are Clark's Spiny Lizard (about 30%) and Southwestern Fence Lizard (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Desert Spiny Lizard is recorded against all the reptiles logged in Saguaro National Park (526 verified sightings from 2019 to 2026), 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.
