What are the chances of seeing a Strymon eurytulus in Rosario?
Possible
About 20% of wildlife watchers report a Strymon eurytulus sighting in Rosario on a given day, based on 17 verified sightings from GBIF citizen-science data. It is the 17th most-seen of the 82 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
When is the best time to see a Strymon eurytulus in Rosario?
February
In that month about 40% of wildlife watchers report a Strymon eurytulus in Rosario on a given day, against under 5% in May and July–September, the lowest months. That is one of Rosario's wettest months, with about 140 mm of rain against 20 mm in June.
Is Rosario the best place to see a Strymon eurytulus?
Yes
Of the 7 cities where we can rate Strymon eurytulus sightings, Rosario has the highest daily chance: about 20%. Next come Cordoba (Argentina, about 20%) and Buenos Aires (Argentina, about 10%).
Where does the Strymon eurytulus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Strymon eurytulus is recorded against all the insects logged in Rosario (17 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.