Cornufer batantae
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~60% in a week ~90%
Cornufer batantae is a species of frog in the family Ceratobatrachidae. It is endemic to West Papua, Indonesia, and is known from two islands near the New Guinean mainland, Batanta and Waigeo. There are also unconfirmed records from Yapen and Gag Islands. Common name Batanta wrinkled ground frog has been coined for the species.
Adult males measure 27–31 mm (1.1–1.2 in) and adult females 39–40 mm (1.5–1.6 in) in snout–vent length, based on two males and two females in the type series. The snout is bluntly pointed, and the canthus is distinct but rounded. The tympanum is distinct. The supratympanic fold is strong. The dorsal surfaces are finely tuberculate. The back bears several narrow, elongate, dermal folds. The ground color of the dorsal surfaces is light to dark brown. Indistinct darker bars and spots are present on the upper lip; the supratympanic fold and some dorsal skin folds are dark brown. However, this markings are not visible in the dark brown specimen, apart from the dark supratympanic mark. The hind limbs have indistinct dark cross bars. The ventral surfaces are pale.
The male advertisement call consist of a small number (4–8) of pulses, repeated at 132... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Raja Ampat | 🇮🇩 Indonesia |
More parks will be added in future updates.
Possible
About 30% of wildlife watchers report a Batanta Wrinkled Ground Frog sighting in Raja Ampat on a given day, based on 22 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 3rd most-seen of the 5 amphibians 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.
May, August, October and December
In those months about 40% of wildlife watchers report a Batanta Wrinkled Ground Frog in Raja Ampat on a given day, against under 5% in February and June–July, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Batanta Wrinkled Ground Frog sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Only Raja Ampat, in our data
Raja Ampat is the only park on Wallace's Line with enough records to rate Batanta Wrinkled Ground Frog sightings: about 30% of wildlife watchers there report one on a given day.
Same genus: Cornufer
The closest relatives of the Batanta Wrinkled Ground Frog that you can see in Raja Ampat (genus Cornufer) are Papua Wrinkled Ground Frog (about 20%) and Dotted Wrinkled Ground Frog (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Batanta Wrinkled Ground Frog is recorded against all the amphibians logged in Raja Ampat (22 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.
