Phyllomedusa bicolor
Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic
In 3 days ~30% in a week ~60%
Phyllomedusa bicolor, the giant leaf frog, bicolor tree-frog, giant monkey frog, or waxy-monkey treefrog, is a species of leaf frog. It can be found in the Amazon basin of Brazil, Colombia (Amazonas), Bolivia, and Peru, and can also be found in the Guianan Region of Venezuela and the Guianas, and in Cerrado of the state of Maranhão in Brazil.
Males measure 91–103 mm (3.6–4.1 in) and females 111–119 mm (4.4–4.7 in) in snout–vent length. The dorsum is lime green whereas the belly is white to yellow-white or cream. Lower lips, chest and front legs bear sparse white spots with dark frames; these are more dense on the flanks and hind legs. Fingers are transparent brown and have large, green adhesive discs. There is a prominent gland extending from behind each eye over the tympanum. The iris is dark gray.
It is found throughout the Amazon rainforest in Bolivia, the Guianas, Brazil, Colombia, Venezuela, and Peru. This frog has been found in gallery forest. The giant leaf frog is a nocturnal, arboreal frog. Males call from trees in tropical humid forests. Males fight each other for mating rights by using their heads... Wikipedia →
Recording0:03
French Guiana · 2025
© augustinbussac · iNaturalist · CC BY-NC 4.0
Recording0:34
Brazil · 2020
© Marllus Rafael Almeida · iNaturalist · CC BY-NC 4.0
Recording
Brazil · 2024
© Augustin Bussac · Xeno · CC BY-NC-SA 4.0
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Amacayacu National Natural Park | 🇨🇴 Colombia | |
| 2 | Manu National Park | 🇵🇪 Peru |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Shedd Aquarium | 🇺🇸 United States | |
| 2 | Barcelona Zoo | 🇪🇸 Spain | |
| 3 | Zoo Miami | 🇺🇸 United States | |
| 4 | Toledo Zoo | 🇺🇸 United States | |
| 5 | Detroit Zoo | 🇺🇸 United States | |
| 6 | Caldwell Zoo | 🇺🇸 United States | |
| 7 | Terra Natura Benidorm | 🇪🇸 Spain | |
| 8 | Fresno Chaffee Zoo | 🇺🇸 United States | |
| 9 | Zoo Atlanta | 🇺🇸 United States | |
| 10 | Faunia | 🇪🇸 Spain | |
| 11 | Aquarama Barcelona | 🇪🇸 Spain | |
| 12 | Ménagerie du Jardin des Plantes | 🇫🇷 France | |
| 13 | Xpark | 🇹🇼 Taiwan | |
| 14 | National Aquarium | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Waxy Monkey Treefrog sighting in Manu National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 38th most-seen of the 67 amphibians we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
November
In that month about 30% of wildlife watchers report a Waxy Monkey Treefrog in Manu National Park on a given day, against under 5% in March to September, the lowest months. That is one of Manu National Park's wettest months, with about 240 mm of rain against 60 mm in August.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Waxy Monkey Treefrog 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.
2nd of 2
Of the 2 parks where we can rate Waxy Monkey Treefrog sightings, Manu National Park ranks 2nd at about 10%. The best odds are in Amacayacu National Natural Park (Colombia, about 20%).
Same genus: Phyllomedusa
The closest relatives of the Waxy Monkey Treefrog that you can see in Manu National Park (genus Phyllomedusa, Monkey Frogs) are White-lined Leaf Frog (about 40%) and Black-eyed Monkey Frog (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Waxy Monkey Treefrog is recorded against all the amphibians logged in Manu National Park (13 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.
