Aspidoscelis scalaris
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~80% in a week >90%
Aspidoscelis scalaris, the rusty-rumped whiptail, is a species of teiid lizard found in Mexico and the United States (Texas). Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Bend National Park | 🇺🇸 United States |
More parks will be added in future updates.
Likely
About 40% of wildlife watchers report a Plateau Spotted Whiptail sighting in Big Bend National Park on a given day, based on 204 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 3rd most-seen of the 48 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.
June and July
In those months about 60% of wildlife watchers report a Plateau Spotted Whiptail in Big Bend National Park on a given day, against under 5% in December to February, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Plateau Spotted Whiptail sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Big Bend National Park, in our data
Big Bend National Park is the only park on Wallace's Line with enough records to rate Plateau Spotted Whiptail sightings: about 40% of wildlife watchers there report one on a given day.
Same genus: Aspidoscelis
The closest relatives of the Plateau Spotted Whiptail that you can see in Big Bend National Park (genus Aspidoscelis, Northern Whiptails) are Marbled Whiptail (about 30%), Diploid Checkered Whiptail (about 20%) and Little Striped Whiptail (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Plateau Spotted Whiptail is recorded against all the reptiles logged in Big Bend National Park (204 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.
