What are the chances of seeing a Semenov's Bumble Bee in Saint Petersburg?
Rare
Under 5% of wildlife watchers report a Semenov's Bumble Bee sighting in Saint Petersburg on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 377th most-seen of the 448 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
When is the best time to see a Semenov's Bumble Bee in Saint Petersburg?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Semenov's Bumble Bee in Saint Petersburg on a given day, so our monthly data shows no clear season.
Is Saint Petersburg the best place to see a Semenov's Bumble Bee?
Among the best
Of the 4 cities where we can rate Semenov's Bumble Bee sightings, Saint Petersburg ranks 4th at under 5%, level with the leaders once rounded. The best odds are in Helsinki (Finland, under 5%), Yekaterinburg (Russia, under 5%) and Moscow (Russia, under 5%).
Which relatives of the Semenov's Bumble Bee live in Saint Petersburg?
Same genus: Bombus
The closest relatives of the Semenov's Bumble Bee that you can see in Saint Petersburg (genus Bombus, Bumble Bees) are Tree Bumble Bee (about 10%) and Red-Tailed Bumble Bee (about 10%), with each one's daily chance of a sighting.
Where does the Semenov's Bumble Bee sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Semenov's Bumble Bee is recorded against all the insects logged in Saint Petersburg (5 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.