Masticophis bilineatus
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~30% in a week ~60%
Masticophis bilineatus, the Sonoran whip snake, is a species of snake found in the United States and Mexico. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Saguaro National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Arizona-Sonora Desert Museum | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Sonoran Whipsnake sighting in Saguaro National Park on a given day, based on 47 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 21st most-seen of the 51 reptiles we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
June to September
In those months about 20% of wildlife watchers report a Sonoran Whipsnake in Saguaro National Park on a given day, against under 5% 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 Sonoran Whipsnake 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 Saguaro National Park, in our data
Saguaro National Park is the only park on Wallace's Line with enough records to rate Sonoran Whipsnake sightings: about 10% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Sonoran Whipsnake is recorded against all the reptiles logged in Saguaro National Park (47 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.
