What are the chances of seeing a Blue-Spotted Crow Butterfly in Hong Kong?
Possible
About 30% of wildlife watchers report a Blue-Spotted Crow Butterfly sighting in Hong Kong on a given day, based on 599 verified sightings from GBIF citizen-science data. It is the 6th most-seen of the 1125 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 Blue-Spotted Crow Butterfly in Hong Kong?
June to August
In those months about 40% of wildlife watchers report a Blue-Spotted Crow Butterfly in Hong Kong on a given day, against under 5% in January, the lowest month. Those are among Hong Kong's wettest months, with about 230 mm of rain a month against 25 mm in December.
Is Hong Kong the best place to see a Blue-Spotted Crow Butterfly?
Yes
Of the 6 cities where we can rate Blue-Spotted Crow Butterfly sightings, Hong Kong has the highest daily chance: about 30%. Next come Tuen Mun (China, about 20%) and Xiamen City (China, about 20%).
Where does the Blue-Spotted Crow Butterfly sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Blue-Spotted Crow Butterfly is recorded against all the insects logged in Hong Kong (599 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.