Speyeria aglaja
In 3 days ~80% in a week >90%
The dark green fritillary (Speyeria aglaja) is a species of butterfly in the family Nymphalidae. The insect has a wide range in the Palearctic realm - Europe, Morocco, Iran, Siberia, Central Asia, China, Korea, and Japan.
The dark green fritillary was first formally described as Papilio aglaja in the 10th edition of Systema Naturae published in 1758 with its type locality given as Sweden. This species is now classified in the genus Speyeria which is classified within the subfamily Heliconiinae of the brush-footed butterfly family, Nymphalidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Aigüestortes National Park | 🇪🇸 Spain | |
| 2 | Mercantour National Park | 🇫🇷 France | |
| 3 | Vanoise National Park | 🇫🇷 France | |
| 4 | Ordesa y Monte Perdido National Park | 🇪🇸 Spain | |
| 5 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 6 | Ecrins National Park | 🇫🇷 France | |
| 7 | Pyrénées National Park | 🇫🇷 France | |
| 8 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 9 | Triglav National Park | 🇸🇮 Slovenia | |
| 10 | Picos de Europa National Park | 🇪🇸 Spain | |
| 11 | Cévennes National Park | 🇫🇷 France | |
| 12 | Tatra National Park | 🇸🇰 Slovakia | |
| 13 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 14 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 15 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 16 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
Likely
About 40% of wildlife watchers report a Dark Green Fritillary sighting in Mercantour National Park on a given day, based on 85 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 13th most-seen of the 412 insects we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
July and August
In those months about 50% of wildlife watchers report a Dark Green Fritillary in Mercantour National Park on a given day, against under 5% in January, March–May and October–November, the lowest months. Those are among Mercantour National Park's driest months, with about 55 mm of rain a month against 140 mm in October.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Dark Green Fritillary 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 16
Of the 16 parks where we can rate Dark Green Fritillary sightings, Mercantour National Park ranks 2nd at about 40%. The best odds are in Aigüestortes National Park (Spain, about 50%). All parks ranked.
Same family: Nymphalidae
The closest relatives of the Dark Green Fritillary that you can see in Mercantour National Park (family Nymphalidae, Brush-footed Butterflies) are Almond Ringlet (about 40%), Large Ringlet (about 40%) and Niobe Fritillary (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dark Green Fritillary is recorded against all the insects logged in Mercantour National Park (85 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.
