Cassionympha cassius
In 3 days ~20% in a week ~40%
Cassionympha cassius, the rainforest brown, is a butterfly of the family Nymphalidae. It is found in South Africa, it is common in cool and moist forests, coastal and riverine bush and kloofs (gorges in the Western Cape along the western coast through the Eastern Cape to KwaZulu-Natal, the eastern slopes of the escarpment through Eswatini and Mpumalanga to the Soutpansberg in Limpopo.
The wingspan is 34–38 mm for males and 36–42 mm for females. Adults are on wing from September to May. The larvae feed on Poaceae species, including Pentaschistis capensis and Juncus capensis. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Garden Route National Park | 🇿🇦 South Africa | |
| 2 | Addo Elephant National Park | 🇿🇦 South Africa | |
| 3 | Table Mountain National Park | 🇿🇦 South Africa |
With luck
About 10% of wildlife watchers report a Rainforest Dancing Brown sighting in Addo Elephant National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 59th most-seen of the 198 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
September
In that month about 20% of wildlife watchers report a Rainforest Dancing Brown in Addo Elephant National Park on a given day, against under 5% in February and April–June, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Rainforest Dancing Brown sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 3
Of the 3 parks where we can rate Rainforest Dancing Brown sightings, Addo Elephant National Park ranks 2nd at about 10%. The best odds are in Garden Route National Park (South Africa, about 30%).
Same family: Nymphalidae
The closest relatives of the Rainforest Dancing Brown that you can see in Addo Elephant National Park (family Nymphalidae, Brush-footed Butterflies) are Yellow Pansy (about 20%), Painted Lady (about 20%) and Junonia archesia (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Rainforest Dancing Brown is recorded against all the insects logged in Addo Elephant National Park (12 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.
