Feihyla kajau
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days >90%
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...
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kubah National Park | 🇲🇾 Malaysia | |
| 2 | Danum Valley Conservation Area | 🇲🇾 Malaysia |
Very likely
About 70% of wildlife watchers report a Charming Tree Frog sighting in Kubah National Park on a given day, based on 96 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 7th most-seen of the 41 amphibians we can rate there. Over three days the chance rises to over 90%, if each day is a fresh chance.
November
In that month about 90% of wildlife watchers report a Charming Tree Frog in Kubah National Park on a given day, against about 50% in April–May and October, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Charming Tree Frog 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.
Yes
Of the 2 parks where we can rate Charming Tree Frog sightings, Kubah National Park has the highest daily chance: about 70%. Next come Danum Valley Conservation Area (Malaysia, about 20%).
Same family: Rhacophoridae
The closest relatives of the Charming Tree Frog that you can see in Kubah National Park (family Rhacophoridae, Old World Tree Frogs) are Harlequin Tree Frog (about 80%), Brown-Striped Tree Frog (about 80%) and File-eared Tree Frog (about 80%), 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 Kubah National Park (96 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.
