What are the chances of seeing a White-winged Swallow in São Luís?
Possible
About 30% of wildlife watchers report a White-winged Swallow sighting in São Luís on a given day, based on 20 verified sightings from GBIF citizen-science data. It is the 27th most-seen of the 74 birds we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.
When is the best time to see a White-winged Swallow in São Luís?
May and October–November
In those months about 40% of wildlife watchers report a White-winged Swallow in São Luís on a given day, against about 10% in February, the lowest month.
What time of day is best to see a White-winged Swallow?
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most White-winged Swallow sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Is São Luís the best place to see a White-winged Swallow?
7th of 20
Of the 20 cities where we can rate White-winged Swallow sightings, São Luís ranks 7th at about 30%. The best odds are in Salvador (Brazil, about 70%), Maceió (Brazil, about 50%) and Belém (Brazil, about 50%).
Where does the White-winged Swallow sighting chance come from?
GBIF citizen-science records
It is estimated from how often the White-winged Swallow is recorded against all the birds logged in São Luís (20 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.