Onychogomphus uncatus
In 3 days ~20% in a week ~50%
Onychogomphus uncatus, the large pincertail or blue-eyed hook-tailed dragonfly, is a species of dragonflies belonging to the family Gomphidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Mercantour National Park | 🇫🇷 France | |
| 3 | Pyrénées National Park | 🇫🇷 France | |
| 4 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Porto | 🇵🇹 Portugal |
With luck
About 10% of wildlife watchers report a Large Pincertail sighting in Mercantour National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 348th most-seen of the 412 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
June and July
In those months about 10% of wildlife watchers report a Large Pincertail in Mercantour National Park on a given day, against under 5% in August to May, the lowest months.
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Large Pincertail 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 4
Of the 4 parks where we can rate Large Pincertail sightings, Mercantour National Park ranks 2nd at about 10%. The best odds are in Cévennes National Park (France, about 20%).
Same order: Odonata
The closest relatives of the Large Pincertail that you can see in Mercantour National Park (order Odonata, Dragonflies and Damselflies) are Sedge Darner (about 30%), Common Blue Damselfly (about 30%) and Nomad (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Large Pincertail is recorded against all the insects logged in Mercantour National Park (6 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.
