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 Gandoca-Manzanillo Wildlife Refuge on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 22nd most-seen of the 72 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.
January and March
In those months about 30% of wildlife watchers report a Hercules Skimmer in Gandoca-Manzanillo Wildlife Refuge on a given day, against under 5% in February, June–August and October, 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.
4th of 11
Of the 11 parks where we can rate Hercules Skimmer sightings, Gandoca-Manzanillo Wildlife Refuge ranks 4th at about 20%. The best odds are in Brownsberg Nature Park (Suriname, about 30%), Tenorio Volcano National Park (Costa Rica, about 20%) and Chagres National Park (Panama, about 20%).
Same family: Libellulidae
The closest relatives of the Hercules Skimmer that you can see in Gandoca-Manzanillo Wildlife Refuge (family Libellulidae, Skimmers) are Tropical Woodskimmer (about 20%), Carmine Skimmer (about 20%) and Band-Winged Dragonlet (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 Gandoca-Manzanillo Wildlife Refuge (11 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.
