What are the chances of seeing a Southern Rough-winged Swallow in Iguaçu National Park?
With luck
About 10% of wildlife watchers report a Southern Rough-winged Swallow sighting in Iguaçu National Park on a given day, based on 279 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 136th most-seen of the 346 birds 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 a Southern Rough-winged Swallow in Iguaçu National Park?
August
In that month about 20% of wildlife watchers report a Southern Rough-winged Swallow in Iguaçu National Park on a given day, against under 5% in February to July, the lowest months.
What time of day is best to see a Southern Rough-winged Swallow?
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Southern Rough-winged Swallow sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Iguaçu National Park the best place to see a Southern Rough-winged Swallow?
30th of 56
Of the 56 parks where we can rate Southern Rough-winged Swallow sightings, Iguaçu National Park ranks 30th at about 10%. The best odds are in Parque Estadual Encontro das Águas (Brazil, about 70%), Serra da Canastra National Park (Brazil, about 60%) and Emas National Park (Brazil, about 50%). All parks ranked.
Which relatives of the Southern Rough-winged Swallow live in Iguaçu National Park?
Same family: Hirundinidae
The closest relatives of the Southern Rough-winged Swallow that you can see in Iguaçu National Park (family Hirundinidae, Swallows and Martins) are Gray-breasted Martin (about 30%), Blue-and-white Swallow (about 10%) and White-winged Swallow (about 10%), with each one's daily chance of a sighting.
Where does the Southern Rough-winged Swallow sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Southern Rough-winged Swallow is recorded against all the birds logged in Iguaçu National Park (279 verified sightings from 2019 to 2026), 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.