What are the chances of seeing a Black-Horned Gem Fly in Berlin?
Rare
Under 5% of wildlife watchers report a Black-Horned Gem Fly sighting in Berlin on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 949th most-seen of the 1065 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 Black-Horned Gem Fly in Berlin?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Black-Horned Gem Fly in Berlin on a given day, so our monthly data shows no clear season.
Is Berlin the best place to see a Black-Horned Gem Fly?
11th of 17
Of the 17 cities where we can rate Black-Horned Gem Fly sightings, Berlin ranks 11th at under 5%. The best odds are in Birmingham (United Kingdom, about 10%), Brussels (Belgium, about 10%) and Liverpool (United Kingdom, about 10%).
Which relatives of the Black-Horned Gem Fly live in Berlin?
Same family: Stratiomyidae
The closest relatives of the Black-Horned Gem Fly that you can see in Berlin (family Stratiomyidae, Soldier Flies) are Twin-Spot Centurion Fly (about 10%) and Broad Centurion Fly (about 10%), with each one's daily chance of a sighting.
Where does the Black-Horned Gem Fly sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Black-Horned Gem Fly is recorded against all the insects logged in Berlin (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.