Oryctes nasicornis
In 3 days ~30% in a week ~60%
The European rhinoceros beetle (Oryctes nasicornis) is a large flying beetle belonging to the subfamily Dynastinae. The elytra are reddish brown... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 3 | Pyrénées National Park | 🇫🇷 France | |
| 4 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
With luck
About 10% of wildlife watchers report a European Rhinoceros Beetle sighting in Rostov-on-Don on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 17th most-seen of the 35 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
June
In that month about 30% of wildlife watchers report a European Rhinoceros Beetle in Rostov-on-Don on a given day, against under 5% in August to April, the lowest months.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most European Rhinoceros Beetle sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
13th of 36
Of the 36 cities where we can rate European Rhinoceros Beetle sightings, Rostov-on-Don ranks 13th at about 10%. The best odds are in Naples (Italy, about 30%), Yerevan (Armenia, about 30%) and Rome (Italy, about 30%).
GBIF citizen-science records
It is estimated from how often the European Rhinoceros Beetle is recorded against all the insects logged in Rostov-on-Don (10 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.
