Hylodes nasus
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~30% in a week ~60%
Hylodes nasus is a species of frog in the family Hylodidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forest and rivers. This frog has been observed 1400 meters above sea level.
The adult male frog measures 25.3–28.1 mm in snout-vent length. The skin of the dorsum can be brown or gray in color, with stripes and marks. The skin of the ventrum is white in color. This frog is threatened by habitat loss. Wikipedia →
Recording0:04
Brazil · 2025
© Italo Aleixo de Faria · iNaturalist · CC BY-NC 4.0
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tijuca National Park | 🇧🇷 Brazil |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Rio de Janeiro | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Santa Catarina Tree Toad sighting in Tijuca National Park on a given day, based on 22 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 3rd most-seen of the 9 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.
February
In that month about 30% of wildlife watchers report a Santa Catarina Tree Toad in Tijuca National Park on a given day, against under 5% in June, August and October–November, the lowest months. That is one of Tijuca National Park's wettest months, with about 170 mm of rain against 40 mm in July.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Santa Catarina Tree Toad sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Tijuca National Park, in our data
Tijuca National Park is the only park on Wallace's Line with enough records to rate Santa Catarina Tree Toad sightings: about 10% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Santa Catarina Tree Toad is recorded against all the amphibians logged in Tijuca National Park (22 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.
