Libythea celtis
In 3 days ~20% in a week ~40%
Libythea celtis, the European beak or nettle-tree butterfly, is a butterfly of the Libytheinae group of the brush-footed butterflies family. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monfragüe National Park | 🇪🇸 Spain | |
| 2 | Cévennes National Park | 🇫🇷 France | |
| 3 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 4 | Pyrénées National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a European Beak sighting in Vienna on a given day, based on 65 verified sightings from GBIF citizen-science data. It is the 238th most-seen of the 1406 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
March to June
In those months about 10% of wildlife watchers report a European Beak in Vienna on a given day, against under 5% in July to February, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most European Beak 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 cities where we can rate European Beak sightings, Vienna ranks 4th at about 10%, level with the leaders once rounded. The best odds are in Budapest (Hungary, about 10%), Turin (Italy, about 10%) and Barcelona (Spain, about 10%).
Same family: Nymphalidae
The closest relatives of the European Beak that you can see in Vienna (family Nymphalidae, Brush-footed Butterflies) are Meadow Brown (about 20%), Red Admiral (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 European Beak is recorded against all the insects logged in Vienna (65 verified sightings), 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.
