Lasiommata maera
In 3 days ~20% in a week ~30%
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 |
With luck
About 10% of wildlife watchers report a Large Wall Brown sighting in Sierra de Guadarrama National Park on a given day, based on 19 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 207th most-seen of the 597 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
May and July–September
In those months about 10% of wildlife watchers report a Large Wall Brown in Sierra de Guadarrama National Park on a given day, against under 5% in June and October–April, the lowest months. Those are among Sierra de Guadarrama National Park's driest months, with about 40 mm of rain a month against 110 mm in November.
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.
14th of 14
Of the 14 parks where we can rate Large Wall Brown sightings, Sierra de Guadarrama National Park ranks 14th at about 10%. 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 Sierra de Guadarrama National Park (genus Pararge) are Speckled Wood (about 30%) and Wall Brown (about 30%), 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 Sierra de Guadarrama National Park (19 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.
