What are the chances of seeing a Drymus sylvaticus in Helsinki?
Rare
Under 5% of wildlife watchers report a Drymus sylvaticus sighting in Helsinki on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 602nd 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 Drymus sylvaticus in Helsinki?
March and November–December
In those months about 10% of wildlife watchers report a Drymus sylvaticus in Helsinki on a given day, against under 5% in January–February and April–October, the lowest months.
Is Helsinki the best place to see a Drymus sylvaticus?
Yes
Of the 3 cities where we can rate Drymus sylvaticus sightings, Helsinki has the highest daily chance: under 5%. Next come Birmingham (United Kingdom, under 5%) and London (United Kingdom, under 5%).
Where does the Drymus sylvaticus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Drymus sylvaticus is recorded against all the insects logged in Helsinki (9 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.