Phrynosoma cerroense
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~50% in a week ~80%
The Cedros Island horned lizard (Phrynosoma cerroense) is a horned lizard species native to Cedros Island in Mexico. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico |
More parks will be added in future updates.
Possible
About 20% of wildlife watchers report a Cedros Island Horned Lizard sighting in El Vizcaíno Biosphere Reserve on a given day, based on 14 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 5th most-seen of the 20 reptiles we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
April and October
In those months about 40% of wildlife watchers report a Cedros Island Horned Lizard in El Vizcaíno Biosphere Reserve on a given day, against under 5% in January–February, May and July–September, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Cedros Island Horned Lizard sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only El Vizcaíno Biosphere Reserve, in our data
El Vizcaíno Biosphere Reserve is the only park on Wallace's Line with enough records to rate Cedros Island Horned Lizard sightings: about 20% of wildlife watchers there report one on a given day.
Same family: Phrynosomatidae
The closest relatives of the Cedros Island Horned Lizard that you can see in El Vizcaíno Biosphere Reserve (family Phrynosomatidae, Phrynosomatid Lizards) are Zebra-tailed Lizard (about 40%), Common Side-blotched Lizard (about 40%) and Small-scaled Lizard (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Cedros Island Horned Lizard is recorded against all the reptiles logged in El Vizcaíno Biosphere Reserve (14 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.
