Feihyla kajau
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~40% in a week ~70%
Feihyla kajau, also known as the Dring's flying frog, white-eared tree frog, and white-eared jelly-nest frog, is a species of frog in the family Rhacophoridae. It is endemic to Borneo and found in all major jurisdictions of the island Kalimantan (Indonesia), Sabah and Sarawak (Malaysia), and Brunei. The specific name kajau is Berawan for "charming".
Males grow to 20 mm (0.8 in) in snout–vent length while females can reach larger sizes. The body is slender. The snout is very short and blunt. The tympanum is small and inconspicuous. The finger and toe tips are broadly rounded. The outer fingers have basal webbing the toes are half-webbed. Skin is dorsally finely shagreened. The dorsum is green above, abruptly ending at flanks, and brown posteriorly in the pelvic region, scattered white dots above. The venter is white anteriorly and transparent posteriorly. The iris is silvery below and golden above, with some dark reticulation and golden ring around pupil that is horizontally oval.
The male advertisement call is soft and high-pitched. Dorsum of tadpoles is brown with scattering of light bronze pigmentation on trunk and forehead. Underside of the tadpole is transparent... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Danum Valley Conservation Area | 🇲🇾 Malaysia |
More parks will be added in future updates.
Possible
About 20% of wildlife watchers report a Charming Tree Frog sighting in Danum Valley Conservation Area on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 17th most-seen of the 23 amphibians we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
December and January
In those months about 40% of wildlife watchers report a Charming Tree Frog in Danum Valley Conservation Area on a given day, against under 5% in February and April–August, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Charming Tree Frog sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Danum Valley Conservation Area, in our data
Danum Valley Conservation Area is the only park on Wallace's Line with enough records to rate Charming Tree Frog sightings: about 20% of wildlife watchers there report one on a given day.
Same family: Rhacophoridae
The closest relatives of the Charming Tree Frog that you can see in Danum Valley Conservation Area (family Rhacophoridae, Old World Tree Frogs) are File-eared Tree Frog (about 80%), Brown-Striped Tree Frog (about 60%) and Harlequin Tree Frog (about 50%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Charming Tree Frog is recorded against all the amphibians logged in Danum Valley Conservation Area (6 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.
_Figure_4_(cropped).jpg/330px-Amnirana_nicobariensis_(10.3897-evolsyst.2.27020)_Figure_4_(cropped).jpg)
