Heliotaurus ruficollis
In 3 days ~40% in a week ~70%
Heliotaurus ruficollis is a species of comb-clawed beetle in the family Tenebrionidae, found in southern Europe and northern Africa. The beetles are generally black with a dark red thorax. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monfragüe National Park | 🇪🇸 Spain | |
| 2 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 3 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 4 | Doñana National Park | 🇪🇸 Spain |
With luck
About 10% of wildlife watchers report a Heliotaurus ruficollis sighting in Sierra de Guadarrama National Park on a given day, based on 117 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 42nd most-seen of the 597 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.
May and June
In those months about 30% of wildlife watchers report a Heliotaurus ruficollis in Sierra de Guadarrama National Park on a given day, against under 5% in August to March, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Heliotaurus ruficollis sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 4
Of the 4 parks where we can rate Heliotaurus ruficollis sightings, Sierra de Guadarrama National Park ranks 3rd at about 10%. The best odds are in Monfragüe National Park (Spain, about 30%) and Sierra Nevada National Park (Spain, about 20%).
GBIF citizen-science records
It is estimated from how often the Heliotaurus ruficollis is recorded against all the insects logged in Sierra de Guadarrama National Park (117 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.
