Darwin's Marked Gecko

Darwin's Marked Gecko

Homonota darwinii

Silhouette: Jose Carlos Arenas-Monroy · PhyloPic

LCLeast ConcernNTVUENCR Endemic
Daily sighting probability ~30% · Possible
at Península Valdés

In 3 days ~60% in a week ~90%

10 Verified sightings at Península Valdés From 2019 to 2026
10 In 1 park
September Best month
☀️🌙 Day & Night When it's spotted

About the Darwin's Marked Gecko

Homonota darwinii, also known commonly as Darwin's marked gecko or the prickly gecko, is a species of lizard in the family Phyllodactylidae. The species is endemic to Argentina. There are two recognized subspecies. The specific name, darwinii, is in honor of English naturalist Charles Darwin, author of On the Origin of Species.

The preferred natural habitats of H. darwinii are grassland, shrubland, and forest. H. darwinii is oviparous. Two subspecies are recognized as being valid, including the nominotypical subspecies. Homonota darwinii darwinii Boulenger, 1885

Homonota darwinii macrocephala Cei, 1978 Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume I. Geckonidæ.... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xii + 436 pp. + Plates I–XXXII. (Homonota darwinii, new species, pp. 21–22 + Plate III, figures 7, 7a, 7b).

Cei JM (1978). "Homonota darwinii macrocephala, n. subsp., del noroeste de Argentina (Sauria, Gekkonidae)". Publicaciones Ocasionales, Instituto de Biologia Animal... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Península Valdés 🇦🇷 Argentina
~30%

More parks will be added in future updates.

Before you go

What are the chances of seeing a Darwin's Marked Gecko in Península Valdés?

Possible

About 30% of wildlife watchers report a Darwin's Marked Gecko sighting in Península Valdés on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 6th most-seen of the 6 reptiles we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.

When is the best time to see a Darwin's Marked Gecko in Península Valdés?

September

In that month about 40% of wildlife watchers report a Darwin's Marked Gecko in Península Valdés on a given day, against under 5% in February, April and August, the lowest months.

What time of day is best to see a Darwin's Marked Gecko?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Darwin's Marked Gecko sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Where else can you see a Darwin's Marked Gecko?

Only Península Valdés, in our data

Península Valdés is the only park on Wallace's Line with enough records to rate Darwin's Marked Gecko sightings: about 30% of wildlife watchers there report one on a given day.

Where does the Darwin's Marked Gecko sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Darwin's Marked Gecko is recorded against all the reptiles logged in Península Valdés (10 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.

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