Pierella hortona
In 3 days ~30% in a week ~60%
Pierella hortona, the white-barred lady slipper, is a species of butterfly of the family Nymphalidae. It is found east of the Andes in Ecuador, Brazil, Peru, and Bolivia. The habitat consists of rainforests and cloud forests at altitudes between 100 and 1600 m.
The larvae feed on Heliconia and possibly Calathea species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manu National Park | 🇵🇪 Peru | |
| 2 | Yasuní National Park | 🇪🇨 Ecuador | |
| 3 | Tambopata National Reserve | 🇵🇪 Peru |
With luck
About 10% of wildlife watchers report a Pierella hortona sighting in Yasuní National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 70th most-seen of the 203 insects 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.
May, July, October and December
In those months about 20% of wildlife watchers report a Pierella hortona in Yasuní National Park on a given day, against under 5% in March–April and August–September, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Pierella hortona sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Pierella hortona sightings, Yasuní National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Manu National Park (Peru, about 10%).
Same genus: Pierella
The closest relatives of the Pierella hortona that you can see in Yasuní National Park (genus Pierella) are Astyoche Satyr (about 20%), Pierella lena (about 20%) and Pierella rhea (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Pierella hortona is recorded against all the insects logged in Yasuní National Park (11 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.
