European Stag Beetle

European Stag Beetle

Lucanus cervus

Daily sighting probability ~20% · Possible
at Prague

In 3 days ~40% in a week ~70%

280 Verified sightings at Prague
505 In all 10 parks From 2019 to 2026
June Best month
☀️🌙 Day & Night When it's spotted

About the European Stag Beetle

Lucanus cervus, known as the European stag beetle, or the greater stag beetle, is one of the best-known species of stag beetle (family Lucanidae) in Western Europe, and is the eponymous example of the genus. L. cervus is listed as Near Threatened by the IUCN Red List.

Lucanus cervus is situated in the genus Lucanus within the family Lucanidae. The species L. cervus contains four subspecies. The nominate subspecies L. cervus cervus (Linnaeus, 1758) was established via the original description of the species in 1758.

The European stag beetle is the largest beetle in Europe. Their colour is usually black with reddish elytra (and red mandibles in males). Sexually dimorphic, the males have enlarged mandibles and are larger than the females. Although the male's mandibles seem threatening, they are too weak to be harmful. Nevertheless, females can inflict a painful bite. The resemblance of the male's mandibles to... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Triglav National Park 🇸🇮 Slovenia
~40%
2 Plitvice Lakes National Park 🇭🇷 Croatia
~40%
3 Picos de Europa National Park 🇪🇸 Spain
~20%
4 Cévennes National Park 🇫🇷 France
~20%
5 Pyrénées National Park 🇫🇷 France
~20%
6 Fertő-Hanság National Park 🇭🇺 Hungary
~20%
7 Aigüestortes National Park 🇪🇸 Spain
~20%
8 Sierra de Guadarrama National Park 🇪🇸 Spain
~10%
9 Bavarian Forest National Park 🇩🇪 Germany
~10%
10 Ecrins National Park 🇫🇷 France
~10%

Cities Where Found

# City Country Daily sighting probability
1 Kharkiv 🇺🇦 Ukraine
~50%
2 Kyiv 🇺🇦 Ukraine
~40%
3 London 🇬🇧 United Kingdom
~20%
4 Budapest 🇭🇺 Hungary
~20%
5 Vienna 🇦🇹 Austria
~20%
6 Paris 🇫🇷 France
~20%
7 Prague 🇨🇿 Czechia
~20%
8 Porto 🇵🇹 Portugal
~10%
9 Turin 🇮🇹 Italy
~10%
10 Lyon 🇫🇷 France
~10%

Before you go

What are the chances of seeing a European Stag Beetle in Prague?

Possible

About 20% of wildlife watchers report a European Stag Beetle sighting in Prague on a given day, based on 280 verified sightings from GBIF citizen-science data. It is the 24th most-seen of the 724 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.

When is the best time to see a European Stag Beetle in Prague?

June

In that month about 40% of wildlife watchers report a European Stag Beetle in Prague on a given day, against under 5% in September and November–May, the lowest months. That is one of Prague's wettest months, with about 80 mm of rain against 30 mm in February.

What time of day is best to see a European Stag Beetle?

Between 6 and 9 pm

Across all the parks we cover, that three-hour window holds the most European Stag Beetle sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Is Prague the best place to see a European Stag Beetle?

7th of 13

Of the 13 cities where we can rate European Stag Beetle sightings, Prague ranks 7th at about 20%. The best odds are in Kharkiv (Ukraine, about 50%), Kyiv (Ukraine, about 40%) and London (United Kingdom, about 20%).

Where does the European Stag Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the European Stag Beetle is recorded against all the insects logged in Prague (280 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.

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