Phyllomedusa bicolor
Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic
In 3 days ~60% in a week ~90%
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 |
Possible
About 20% of wildlife watchers report a Waxy Monkey Treefrog sighting in Amacayacu National Natural Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 3rd most-seen of the 8 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.
December
In that month about 60% of wildlife watchers report a Waxy Monkey Treefrog in Amacayacu National Natural Park on a given day, against under 5% in January–February and May, the lowest months.
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.
Yes
Of the 2 parks where we can rate Waxy Monkey Treefrog sightings, Amacayacu National Natural Park has the highest daily chance: about 20%. Next come Manu National Park (Peru, about 10%).
Same order: Anura
The closest relatives of the Waxy Monkey Treefrog that you can see in Amacayacu National Natural Park (order Anura, Frogs and Toads) are Eastern Cane Toad (about 40%), Three-striped Poison Frog (about 30%) and Reticulated Poison 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 Amacayacu National Natural Park (8 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.
