Bombus mesomelas
In 3 days ~20% in a week ~40%
Bombus mesomelas (also called black-backed bumblebee) is a species of bumblebees. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Vanoise National Park | 🇫🇷 France | |
| 2 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 3 | Mercantour National Park | 🇫🇷 France | |
| 4 | Aigüestortes National Park | 🇪🇸 Spain | |
| 5 | Pyrénées National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Black-Backed Bumble Bee sighting in Pyrénées National Park on a given day, based on 28 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 350th most-seen of the 1277 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.
June and August–September
In those months about 10% of wildlife watchers report a Black-Backed Bumble Bee in Pyrénées National Park on a given day, against under 5% in July and October–May, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Black-Backed Bumble Bee sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 5 parks where we can rate Black-Backed Bumble Bee sightings, Pyrénées National Park ranks 5th at about 10%, level with the leaders once rounded. The best odds are in Vanoise National Park (France, about 10%), Hohe Tauern National Park (Austria, about 10%) and Mercantour National Park (France, about 10%).
Same genus: Bombus
The closest relatives of the Black-Backed Bumble Bee that you can see in Pyrénées National Park (genus Bombus, Bumble Bees) are Common Carder Bumble Bee (about 20%), White-Tailed Bumble Bee (about 10%) and Buff-Tailed Bumble Bee (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black-Backed Bumble Bee is recorded against all the insects logged in Pyrénées National Park (28 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.
