What are the chances of seeing a Superb Ant-Hill Hoverfly in Rotterdam [The Hague]?
Rare
Under 5% of wildlife watchers report a Superb Ant-Hill Hoverfly sighting in Rotterdam [The Hague] on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 265th most-seen of the 355 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
When is the best time to see a Superb Ant-Hill Hoverfly in Rotterdam [The Hague]?
April–June and September
In those months about 10% of wildlife watchers report a Superb Ant-Hill Hoverfly in Rotterdam [The Hague] on a given day, against under 5% in July–August and October–March, the lowest months.
Is Rotterdam [The Hague] the best place to see a Superb Ant-Hill Hoverfly?
5th of 9
Of the 9 cities where we can rate Superb Ant-Hill Hoverfly sightings, Rotterdam [The Hague] ranks 5th at under 5%. The best odds are in Birmingham (United Kingdom, about 10%), London (United Kingdom, about 10%) and Brussels (Belgium, about 10%).
Which relatives of the Superb Ant-Hill Hoverfly live in Rotterdam [The Hague]?
Same family: Syrphidae
The closest relatives of the Superb Ant-Hill Hoverfly that you can see in Rotterdam [The Hague] (family Syrphidae, Hover Flies) are Common Drone Fly (about 20%), Hornet Mimic Hover Fly (about 20%) and Marmalade Hover Fly (about 20%), with each one's daily chance of a sighting.
Where does the Superb Ant-Hill Hoverfly sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Superb Ant-Hill Hoverfly is recorded against all the insects logged in Rotterdam [The Hague] (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.