What are the chances of seeing a Black-Spot Hairstreak in Porto Alegre?
With luck
About 10% of wildlife watchers report a Black-Spot Hairstreak sighting in Porto Alegre on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 196th 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 30%, if each day is a fresh chance.
When is the best time to see a Black-Spot Hairstreak in Porto Alegre?
January–February, April, July and November
In those months about 10% of wildlife watchers report a Black-Spot Hairstreak in Porto Alegre on a given day, against under 5% in March, May–June, August–October and December, the lowest months.
Is Porto Alegre the best place to see a Black-Spot Hairstreak?
Yes
Of the 3 cities where we can rate Black-Spot Hairstreak sightings, Porto Alegre has the highest daily chance: about 10%. Next come Belo Horizonte (Brazil, under 5%) and São Paulo (Brazil, under 5%).
Where does the Black-Spot Hairstreak sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Black-Spot Hairstreak is recorded against all the insects logged in Porto Alegre (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.