What are the chances of seeing a Common Bluebottle in Shanghai?
Possible
About 30% of wildlife watchers report a Common Bluebottle sighting in Shanghai on a given day, based on 172 verified sightings from GBIF citizen-science data. It is the 4th most-seen of the 215 insects we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
When is the best time to see a Common Bluebottle in Shanghai?
September
In that month about 50% of wildlife watchers report a Common Bluebottle in Shanghai on a given day, against under 5% in February and March, the lowest months.
What time of day is best to see a Common Bluebottle?
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Common Bluebottle sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Shanghai the best place to see a Common Bluebottle?
12th of 36
Of the 36 cities where we can rate Common Bluebottle sightings, Shanghai ranks 12th at about 30%. The best odds are in Chongqing (China, about 40%), Nagoya (Japan, about 40%) and Hiroshima (Japan, about 30%).
Where does the Common Bluebottle sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Common Bluebottle is recorded against all the insects logged in Shanghai (172 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.