Brenthis ino
In 3 days ~50% in a week ~80%
The lesser marbled fritillary is present in Spain, France, Italy, central and northern Europe, Siberia, temperate Asia, northern China and Japan. This species prefers damp meadows and bogs at an elevation of 0–1,500 metres (0–4,921 ft) above sea level.
Brenthis ino is a medium-sized butterfly with a wingspan of 34–42 millimetres (1.3–1.7 in). Females are larger and usually darker than males. The antennae are clavate (club shaped). The basic color of the upper side of the wings is orange with several dark brown blotches. The edges are brown too, with a discontinuous stripe of small blotches. The lower side of the wings is creamy orange with... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Biebrza National Park | 🇵🇱 Poland | |
| 2 | Gauja National Park | 🇱🇻 Latvia | |
| 3 | Aigüestortes National Park | 🇪🇸 Spain | |
| 4 | Mercantour National Park | 🇫🇷 France | |
| 5 | Vanoise National Park | 🇫🇷 France | |
| 6 | Pyrénées National Park | 🇫🇷 France | |
| 7 | Bavarian Forest National Park | 🇩🇪 Germany |
Possible
About 20% of wildlife watchers report a Lesser Marbled Fritillary sighting in Gauja National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 17th most-seen of the 29 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
June
In that month about 40% of wildlife watchers report a Lesser Marbled Fritillary in Gauja National Park on a given day, against under 5% in April–May and August–September, the lowest months. January and February have too few records to rate.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Lesser Marbled 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.
Among the best
Of the 7 parks where we can rate Lesser Marbled Fritillary sightings, Gauja National Park ranks 2nd at about 20%, level with the leaders once rounded. The best odds are in Biebrza National Park (Poland, about 20%).
Same family: Nymphalidae
The closest relatives of the Lesser Marbled Fritillary that you can see in Gauja National Park (family Nymphalidae, Brush-footed Butterflies) are Ringlet (about 30%), European Comma (about 30%) and European Peacock Butterfly (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lesser Marbled Fritillary is recorded against all the insects logged in Gauja National Park (5 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.
