Caligo oedipus
In 3 days ~30% in a week ~60%
Caligo oedipus, the boomerang owl, is a butterfly of the family Nymphalidae. The species can be found from Central America to Colombia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | |
| 2 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 3 | Cahuita National Park | 🇨🇷 Costa Rica | |
| 4 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Fruhstorfer's Owl-Butterfly sighting in Gandoca-Manzanillo Wildlife Refuge on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 43rd most-seen of the 72 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.
March
In that month about 30% of wildlife watchers report a Fruhstorfer's Owl-Butterfly in Gandoca-Manzanillo Wildlife Refuge on a given day, against under 5% in April–September and November–January, the lowest months. That is one of Gandoca-Manzanillo Wildlife Refuge's driest months, with about 140 mm of rain against 560 mm in July.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Fruhstorfer's Owl-Butterfly sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Yes
Of the 4 parks where we can rate Fruhstorfer's Owl-Butterfly sightings, Gandoca-Manzanillo Wildlife Refuge has the highest daily chance: about 10%. Next come Braulio Carrillo National Park (Costa Rica, about 10%) and Cahuita National Park (Costa Rica, about 10%).
Same genus: Caligo
The closest relatives of the Fruhstorfer's Owl-Butterfly that you can see in Gandoca-Manzanillo Wildlife Refuge (genus Caligo, Owl-Butterflies) are Banded Owl-Butterfly (about 20%) and Dark Owl-Butterfly (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Fruhstorfer's Owl-Butterfly is recorded against all the insects logged in Gandoca-Manzanillo Wildlife Refuge (7 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.
