Lasiommata maera
In 3 days ~70% in a week ~90%
Lasiommata maera, the large wall brown, is a butterfly in the family Nymphalidae. Lasiommata maera maera Lasiommata maera abastumana (Sheljuzhko, 1937) (Caucasus) Lasiommata maera adrasta (Hübner, [1823-1824]) (from south western Europe to Morocco and Algeria)
The species is common in continental Europe. It is also present in the Urals, south western Siberia, Asia Minor, Syria, Iran, Central Asia and the Himalayas. It is absent from the United Kingdom. Its preferred habitats are edges of the forest, unmanaged clearings on forested areas, rocky dry areas and stony slopes, at an elevation of 0–2,000 metres (0–6,562 ft) above sea level.
Lasiommata maera has a wingspan of 44–56 millimetres (1.7–2.2 in). These large butterflies are quite variable in color and pattern. Usually the upperside is orange in the forewings and mostly brown in the hindwings. The forewings... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Aigüestortes National Park | 🇪🇸 Spain | |
| 2 | Picos de Europa National Park | 🇪🇸 Spain | |
| 3 | Vanoise National Park | 🇫🇷 France | |
| 4 | Mercantour National Park | 🇫🇷 France | |
| 5 | Ordesa y Monte Perdido National Park | 🇪🇸 Spain | |
| 6 | Triglav National Park | 🇸🇮 Slovenia | |
| 7 | Ecrins National Park | 🇫🇷 France | |
| 8 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 9 | Pyrénées National Park | 🇫🇷 France | |
| 10 | Tatra National Park | 🇸🇰 Slovakia | |
| 11 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 12 | Cévennes National Park | 🇫🇷 France | |
| 13 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 14 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
Possible
About 30% of wildlife watchers report a Large Wall Brown sighting in Mercantour National Park on a given day, based on 50 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 39th most-seen of the 412 insects we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.
June and September
In those months about 40% of wildlife watchers report a Large Wall Brown in Mercantour National Park on a given day, against under 5% in January–May and November, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Large Wall Brown 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 14
Of the 14 parks where we can rate Large Wall Brown sightings, Mercantour National Park ranks 4th at about 30%. The best odds are in Aigüestortes National Park (Spain, about 40%), Picos de Europa National Park (Spain, about 40%) and Vanoise National Park (France, about 30%). All parks ranked.
Same genus: Pararge
The closest relatives of the Large Wall Brown that you can see in Mercantour National Park (genus Pararge) are Wall Brown (about 20%), Northern Wall Brown (about 20%) and Speckled Wood (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Large Wall Brown is recorded against all the insects logged in Mercantour National Park (50 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.
