Melitaea diamina
In 3 days ~40% in a week ~60%
Melitaea diamina, the false heath fritillary, is a butterfly of the family Nymphalidae. These butterflies live in damp flowery meadows, woodland margins and rides from low to alpine levels up to 2200 m. Melitaea diamina has a wingspan of 36–42 mm. Females are larger than males. This medium-sized species is highly variable in extent of black markings and in the diversification of ground colour on the upperside of the wings. The upper side of the wings usually is black brown, with yellowish-orange ground colour... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Vanoise National Park | 🇫🇷 France | |
| 2 | Mercantour National Park | 🇫🇷 France | |
| 3 | Ecrins National Park | 🇫🇷 France | |
| 4 | Aigüestortes National Park | 🇪🇸 Spain | |
| 5 | Ordesa y Monte Perdido National Park | 🇪🇸 Spain | |
| 6 | Pyrénées National Park | 🇫🇷 France | |
| 7 | Triglav National Park | 🇸🇮 Slovenia | |
| 8 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 9 | Cévennes National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a False Heath Fritillary sighting in Ordesa y Monte Perdido National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 47th most-seen of the 79 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 60%, if each day is a fresh chance.
July
In that month about 30% of wildlife watchers report a False Heath Fritillary in Ordesa y Monte Perdido National Park on a given day, against under 5% in March–May and August–November, the lowest months. That is one of Ordesa y Monte Perdido National Park's driest months, with about 70 mm of rain against 180 mm in October. January has too few records to rate.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most False Heath 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.
5th of 9
Of the 9 parks where we can rate False Heath Fritillary sightings, Ordesa y Monte Perdido National Park ranks 5th at about 10%. The best odds are in Vanoise National Park (France, about 40%), Mercantour National Park (France, about 20%) and Ecrins National Park (France, about 20%).
Same family: Nymphalidae
The closest relatives of the False Heath Fritillary that you can see in Ordesa y Monte Perdido National Park (family Nymphalidae, Brush-footed Butterflies) are Silver-Washed Fritillary (about 50%), Dark Green Fritillary (about 30%) and Pearly Heath (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the False Heath Fritillary is recorded against all the insects logged in Ordesa y Monte Perdido National Park (7 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.
