West Ecuadorian Whorl-tailed Iguana

West Ecuadorian Whorl-tailed Iguana

Stenocercus iridescens

Silhouette: Natalie Claunch · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~20% · Possible
at Guayaquil

In 3 days ~50% in a week ~80%

25 Verified sightings at Guayaquil
9 In 1 park From 2019 to 2026
September Best month
☀️ Diurnal When it's spotted

About the West Ecuadorian Whorl-tailed Iguana

Stenocercus iridescens is a species of lizard of the family Tropiduridae. It is found in Peru, Colombia, and Ecuador. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Machalilla National Park 🇪🇨 Ecuador
~20%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Guayaquil 🇪🇨 Ecuador
~20%

Before you go

What are the chances of seeing a West Ecuadorian Whorl-tailed Iguana in Guayaquil?

Possible

About 20% of wildlife watchers report a West Ecuadorian Whorl-tailed Iguana sighting in Guayaquil on a given day, based on 25 verified sightings from GBIF citizen-science data. It is the 5th most-seen of the 8 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.

When is the best time to see a West Ecuadorian Whorl-tailed Iguana in Guayaquil?

April, August–September and November

In those months about 30% of wildlife watchers report a West Ecuadorian Whorl-tailed Iguana in Guayaquil on a given day, against under 5% in January and March, the lowest months. Those are among Guayaquil's driest months, with about 35 mm of rain a month against 220 mm in February.

What time of day is best to see a West Ecuadorian Whorl-tailed Iguana?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most West Ecuadorian Whorl-tailed Iguana sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a West Ecuadorian Whorl-tailed Iguana?

Only Guayaquil, in our data

Guayaquil is the only city on Wallace's Line with enough records to rate West Ecuadorian Whorl-tailed Iguana sightings: about 20% of wildlife watchers there report one on a given day.

Where does the West Ecuadorian Whorl-tailed Iguana sighting chance come from?

GBIF citizen-science records

It is estimated from how often the West Ecuadorian Whorl-tailed Iguana is recorded against all the reptiles logged in Guayaquil (25 verified sightings), 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.

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