Libellula herculea
In 3 days ~40% in a week ~70%
Libellula herculea is a species of Libellula found in Argentina, Bolivia, Brazil, Belize, Colombia, Costa Rica, Ecuador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, Paraguay, El Salvador, and Venezuela Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Brownsberg Nature Park | 🇸🇷 Suriname | |
| 2 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Chagres National Park | 🇵🇦 Panama | |
| 4 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | |
| 5 | Piedras Blancas National Park | 🇨🇷 Costa Rica | |
| 6 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 7 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 8 | Chirripó National Park | 🇨🇷 Costa Rica | |
| 9 | Corcovado National Park | 🇨🇷 Costa Rica | |
| 10 | Manuel Antonio National Park | 🇨🇷 Costa Rica | |
| 11 | La Amistad International Park (Panama) | 🇵🇦 Panama |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Medellín | 🇨🇴 Colombia |
Possible
About 20% of wildlife watchers report a Hercules Skimmer sighting in Tenorio Volcano National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 14th most-seen of the 98 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
May–August and October
In those months about 30% of wildlife watchers report a Hercules Skimmer in Tenorio Volcano National Park on a given day, against under 5% in September and November–March, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Hercules Skimmer sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 11
Of the 11 parks where we can rate Hercules Skimmer sightings, Tenorio Volcano National Park ranks 2nd at about 20%. The best odds are in Brownsberg Nature Park (Suriname, about 30%).
Same family: Libellulidae
The closest relatives of the Hercules Skimmer that you can see in Tenorio Volcano National Park (family Libellulidae, Skimmers) are Carmine Skimmer (about 20%), Red-Mantled Dragonlet (about 10%) and Great Pondhawk (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Hercules Skimmer is recorded against all the insects logged in Tenorio Volcano National Park (13 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.
