What are the chances of seeing an Eacles ducalis in Porto Alegre?
With luck
About 10% of wildlife watchers report an Eacles ducalis sighting in Porto Alegre on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 138th most-seen of the 226 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
When is the best time to see an Eacles ducalis in Porto Alegre?
August
In that month about 20% of wildlife watchers report an Eacles ducalis in Porto Alegre on a given day, against under 5% in February, April–July and October–December, the lowest months.
Where else can you see an Eacles ducalis?
Only Porto Alegre, in our data
Porto Alegre is the only city on Wallace's Line with enough records to rate Eacles ducalis sightings: about 10% of wildlife watchers there report one on a given day.
Where does the Eacles ducalis sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Eacles ducalis is recorded against all the insects logged in Porto Alegre (8 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.