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Cedros Island Horned Lizard

Phrynosoma cerroense

Endemic
10–20% · With luck
overall probability at El Vizcaíno Biosphere Reserve
14 Verified records at El Vizcaíno Biosphere Reserve
October Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The Cedros Island horned lizard (Phrynosoma cerroense) is a horned lizard species native to Cedros Island in Mexico. Wikipedia →

10–20% of wildlife watchers report a Cedros Island Horned Lizard sighting in El Vizcaíno Biosphere Reserve, based on 14 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

<5
Jan
<5
Feb
20–30
Mar
30–40
Apr
<5
May
10–20
Jun
<5
Jul
<5
Aug
<5
Sep
40–50
Oct
20–30
Nov
20–30
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
10–20%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Cedros Island Horned Lizard in El Vizcaíno Biosphere Reserve?

About 18% of wildlife watchers report a Cedros Island Horned Lizard sighting in El Vizcaíno Biosphere Reserve, based on 14 days of visitor records from GBIF citizen-science data.

When is the best time to see Cedros Island Horned Lizard in El Vizcaíno Biosphere Reserve?

October has the highest sighting rate for Cedros Island Horned Lizard in El Vizcaíno Biosphere Reserve in our monthly data.

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