Pseudothecadactylus lindneri
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~40% in a week ~80%
The giant cave gecko (Pseudothecadactylus lindneri), also known commonly as the northern giant cave gecko, is a species of lizard in the family Diplodactylidae. The species is endemic to Australia. The specific name, lindneri, is in honor of Australian herpetologist David A. Lindner.
Adults of P. lindneri usually have a snout-to-vent length (SVL) of about 9.5 cm (3.7 in). The dorsal coloration is dark purplish brown, with lighter irregular crossbands. The crossbands are pale orange to cream-colored, and often do not meet neatly in the middle.
P. lindneri is found in Arnhem Land, Northern Territory, Australia. The preferred natural habitat of P. lindneri is caves and crevices in sandstone escarpments. P. lindneri is oviparous. Cogger HG (1975). "New lizards of the genus Pseudothecadactylus (Lacertilia: Gekkonidae) from Arnhem Land and northwestern Australia". Records of the Australian Museum 30 (3): 87–97. (Pseudothecadactylus lindneri, new species).
Cogger HG (2014). Reptiles and Amphibians of Australia, Seventh Edition. Clayton, Victoria, Australia: CSIRO... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kakadu National Park | 🇦🇺 Australia |
More parks will be added in future updates.
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Wild Life Sydney | 🇦🇺 Australia |
Possible
About 20% of wildlife watchers report a Giant Cave Gecko sighting in Kakadu National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 25th most-seen of the 54 reptiles we can rate there. Over three days the chance rises to about 40%, and over a week to about 80%, if each day is a fresh chance.
May and November–December
In those months about 30% of wildlife watchers report a Giant Cave Gecko in Kakadu National Park on a given day, against under 5% in January–April and October, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Giant Cave Gecko sightings with a recorded time, and about 9 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Only Kakadu National Park, in our data
Kakadu National Park is the only park on Wallace's Line with enough records to rate Giant Cave Gecko sightings: about 20% of wildlife watchers there report one on a given day.
Same family: Diplodactylidae
The closest relatives of the Giant Cave Gecko that you can see in Kakadu National Park (family Diplodactylidae, Australasian Geckos) are Dotted Velvet Gecko (about 20%) and Northern Spiny-tailed Gecko (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Giant Cave Gecko is recorded against all the reptiles logged in Kakadu National Park (12 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.
