Nyctimystes infrafrenatus
Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic
In 3 days ~90% in a week >90%
The white-lipped tree frog (Sandyrana infrafrenata) is a species of frog in the family Pelodryadidae. It is the world's largest tree frog (the Cuban tree frog reaches a similar maximum size) and is found in Australia, Indonesia, Papua New Guinea, the Solomon Islands and Timor-Leste. Other common names include the New Guinea treefrog, giant tree frog, and Australian giant treefrog.
The white-lipped tree frog reaches 11–14 cm (4.3–5.5 in) in length. Its weight is typically 30–60 g (1.1–2.1 oz). Females are larger than males, and have thicker skin in correlation with the difference in body size. Its dorsal surface is usually bright green, although the colour changes depending on the temperature and background, and can be brown. The ventral surface is off-white. The lower lip has a distinctive white stripe (giving this species its name), which continues to the shoulder. The white stripes on the trailing edges of the lower leg may turn pink in the breeding male. The white-lipped tree frog has large toe pads, which aid it to climb. The toes are completely webbed, and the hands are partially webbed.
The white-lipped tree frog is found along the... Wikipedia →
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Australia · 2017
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Australia · 2022
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Australia · 2026
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| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Daintree National Park | 🇦🇺 Australia | |
| 2 | Raja Ampat | 🇮🇩 Indonesia |
Likely
About 50% of wildlife watchers report a White-lipped Treefrog sighting in Raja Ampat on a given day, based on 76 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the most-seen of the 5 amphibians we can rate there. Over three days the chance rises to about 90%, and over a week to over 90%, if each day is a fresh chance.
February–April, June, August and November
In those months about 60% of wildlife watchers report a White-lipped Treefrog in Raja Ampat on a given day, against about 40% in July, October and December–January, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most White-lipped Treefrog sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 parks where we can rate White-lipped Treefrog sightings, Raja Ampat ranks 2nd at about 50%. The best odds are in Daintree National Park (Australia, about 70%).
Same order: Anura
The closest relatives of the White-lipped Treefrog that you can see in Raja Ampat (order Anura, Frogs and Toads) are Cophixalus rajampatensis (about 30%), Batanta Wrinkled Ground Frog (about 30%) and Papua 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 White-lipped Treefrog is recorded against all the amphibians logged in Raja Ampat (76 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.
