Phoebis neocypris
In 3 days ~40% in a week ~70%
Phoebis neocypris, the tailed sulphur, is a butterfly in the family Pieridae. It is native to Mexico, Central America, and South America. There is a record for one stray in southern Texas. The larvae feed on fresh leaves of Cassia species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Iguazú National Park | 🇦🇷 Argentina | |
| 2 | Iguaçu National Park | 🇧🇷 Brazil |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Porto Alegre | 🇧🇷 Brazil | |
| 2 | Montevideo | 🇺🇾 Uruguay | |
| 3 | São Paulo | 🇧🇷 Brazil | |
| 4 | Curitiba | 🇧🇷 Brazil | |
| 5 | Buenos Aires | 🇦🇷 Argentina |
Possible
About 20% of wildlife watchers report a Tailed Sulphur sighting in Porto Alegre on a given day, based on 47 verified sightings from GBIF citizen-science data. It is the 22nd most-seen of the 226 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
February and November
In those months about 30% of wildlife watchers report a Tailed Sulphur in Porto Alegre on a given day, against about 10% in January, April–June and September–October, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Tailed Sulphur sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 5 cities where we can rate Tailed Sulphur sightings, Porto Alegre has the highest daily chance: about 20%. Next come Montevideo (Uruguay, about 10%) and São Paulo (Brazil, about 10%).
Same genus: Phoebis
The closest relatives of the Tailed Sulphur that you can see in Porto Alegre (genus Phoebis) are Dark Apricot Sulphur (about 10%), Orange-Barred Sulphur (about 10%) and Straight-Lined Sulphur (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Tailed Sulphur is recorded against all the insects logged in Porto Alegre (47 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.
