What are the chances of seeing a European Rotund-Resin Bee in Warsaw?
With luck
About 10% of wildlife watchers report a European Rotund-Resin Bee sighting in Warsaw on a given day, based on 15 verified sightings from GBIF citizen-science data. It is the 247th most-seen of the 580 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
When is the best time to see a European Rotund-Resin Bee in Warsaw?
June to August
In those months about 10% of wildlife watchers report a European Rotund-Resin Bee in Warsaw on a given day, against under 5% in September to May, the lowest months.
Is Warsaw the best place to see a European Rotund-Resin Bee?
Yes
Of the 2 cities where we can rate European Rotund-Resin Bee sightings, Warsaw has the highest daily chance: about 10%. Next come Berlin (Germany, under 5%).
Which relatives of the European Rotund-Resin Bee live in Warsaw?
Same family: Megachilidae
The closest relatives of the European Rotund-Resin Bee that you can see in Warsaw (family Megachilidae, Mason, Leafcutter, Carder, and Resin Bees) are Red Mason Bee (about 20%), European Woolcarder Bee (about 20%) and European Orchard Bee (about 10%), with each one's daily chance of a sighting.
Where does the European Rotund-Resin Bee sighting chance come from?
GBIF citizen-science records
It is estimated from how often the European Rotund-Resin Bee is recorded against all the insects logged in Warsaw (15 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.