What are the chances of seeing an Acericerus heydenii in London?
Rare
Under 5% of wildlife watchers report an Acericerus heydenii sighting in London on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 1394th most-seen of the 1504 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 an Acericerus heydenii in London?
November
In that month about 10% of wildlife watchers report an Acericerus heydenii in London on a given day, against under 5% in December to October, the lowest months.
Is London the best place to see an Acericerus heydenii?
4th of 4
Of the 4 cities where we can rate Acericerus heydenii sightings, London ranks 4th at under 5%. The best odds are in Liverpool (United Kingdom, about 10%), Berlin (Germany, under 5%) and Vienna (Austria, under 5%).
Where does the Acericerus heydenii sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Acericerus heydenii is recorded against all the insects logged in London (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.