Caligo idomeneus
In 3 days ~10% in a week ~30%
Caligo idomeneus, the Idomeneus giant owl, is a butterfly of the family Nymphalidae. The species can be found in the Amazon rainforest and eastern Andes, from Venezuela to Ecuador, and south to the Mato Grosso in southern Brazil. The butterfly is named for Idomeneus, the leader of the Cretan army during the Trojan War.
The wingspan is about 110–140 millimetres (4.3–5.5 in). The larvae feed on Musa species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Yasuní National Park | 🇪🇨 Ecuador | |
| 2 | Soberanía National Park | 🇵🇦 Panama |
With luck
About 10% of wildlife watchers report a Caligo idomeneus sighting in Soberanía National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 208th most-seen of the 253 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
June–July and October–November
In those months about 10% of wildlife watchers report a Caligo idomeneus in Soberanía National Park on a given day, against under 5% in August–September and December–May, the lowest months. Those are among Soberanía National Park's wettest months, with about 330 mm of rain a month against 25 mm in February.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Caligo idomeneus sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 parks where we can rate Caligo idomeneus sightings, Soberanía National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Yasuní National Park (Ecuador, about 10%).
GBIF citizen-science records
It is estimated from how often the Caligo idomeneus is recorded against all the insects logged in Soberanía National Park (5 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.
