What are the chances of seeing a Hylesia nanus in Serra dos Órgãos National Park?
Possible
About 20% of wildlife watchers report a Hylesia nanus sighting in Serra dos Órgãos National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 39th most-seen of the 117 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
When is the best time to see a Hylesia nanus in Serra dos Órgãos National Park?
June
In that month about 40% of wildlife watchers report a Hylesia nanus in Serra dos Órgãos National Park on a given day, against under 5% in February–April, July and September–October, the lowest months. That is one of Serra dos Órgãos National Park's driest months, with about 65 mm of rain against 310 mm in November.
What time of day is best to see a Hylesia nanus?
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Hylesia nanus sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
Where else can you see a Hylesia nanus?
Only Serra dos Órgãos National Park, in our data
Serra dos Órgãos National Park is the only park on Wallace's Line with enough records to rate Hylesia nanus sightings: about 20% of wildlife watchers there report one on a given day.
Where does the Hylesia nanus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Hylesia nanus is recorded against all the insects logged in Serra dos Órgãos National Park (9 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.