Coelosis biloba
In 3 days ~30% in a week ~60%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Rincón de la Vieja National Park | 🇨🇷 Costa Rica | |
| 2 | Masaya Volcano National Park | 🇳🇮 Nicaragua | |
| 3 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 4 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | |
| 5 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 6 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 7 | Manu National Park | 🇵🇪 Peru | |
| 8 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica | |
| 9 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 10 | Tijuca National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San José | 🇨🇷 Costa Rica | |
| 2 | Niterói | 🇧🇷 Brazil | |
| 3 | Panama City | 🇵🇦 Panama | |
| 4 | Rio de Janeiro | 🇧🇷 Brazil | |
| 5 | Medellín | 🇨🇴 Colombia | |
| 6 | São Paulo | 🇧🇷 Brazil |
With luck
About 10% of wildlife watchers report a Coelosis biloba sighting in Braulio Carrillo National Park on a given day, based on 18 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 117th most-seen of the 378 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.
January
In that month about 30% of wildlife watchers report a Coelosis biloba in Braulio Carrillo National Park on a given day, against under 5% in April, August–October and December, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Coelosis biloba sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is seen both by day and at night.
5th of 10
Of the 10 parks where we can rate Coelosis biloba sightings, Braulio Carrillo National Park ranks 5th at about 10%. The best odds are in Rincón de la Vieja National Park (Costa Rica, about 20%), Masaya Volcano National Park (Nicaragua, about 20%) and Tenorio Volcano National Park (Costa Rica, about 10%).
Same family: Scarabaeidae
The closest relatives of the Coelosis biloba that you can see in Braulio Carrillo National Park (family Scarabaeidae, Scarabs) are Cyclocephala amazona (about 20%), Cyclocephala brittoni (about 10%) and Phileurus didymus (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Coelosis biloba is recorded against all the insects logged in Braulio Carrillo National Park (18 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.
