What are the chances of seeing a Small Birch Bell in Helsinki?
Rare
Under 5% of wildlife watchers report a Small Birch Bell sighting in Helsinki on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 732nd most-seen of the 838 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 Small Birch Bell in Helsinki?
July
In that month about 10% of wildlife watchers report a Small Birch Bell in Helsinki on a given day, against under 5% in August to June, the lowest months.
What time of day is best to see a Small Birch Bell?
Between 11 pm and 2 am
Across all the parks we cover, that three-hour window holds the most Small Birch Bell sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Is Helsinki the best place to see a Small Birch Bell?
Yes
Of the 3 cities where we can rate Small Birch Bell sightings, Helsinki has the highest daily chance: under 5%. Next come Saint Petersburg (Russia, under 5%) and Moscow (Russia, under 5%).
Where does the Small Birch Bell sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Small Birch Bell is recorded against all the insects logged in Helsinki (6 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.