Papilio pilumnus
In 3 days ~40% in a week ~70%
Papilio pilumnus, the three-tailed tiger swallowtail, is a species of swallowtail butterfly from the genus Papilio that is found in Texas, Mexico and Guatemala. The larvae feed on the leaves of Litsea species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cumbres de Monterrey National Park | 🇲🇽 Mexico |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monterrey | 🇲🇽 México |
With luck
About 10% of wildlife watchers report a Three-Tailed Tiger Swallowtail sighting in Cumbres de Monterrey National Park on a given day, based on 100 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 24th most-seen of the 431 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.
March to July
In those months about 20% of wildlife watchers report a Three-Tailed Tiger Swallowtail in Cumbres de Monterrey National Park on a given day, against under 5% in November to January, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Three-Tailed Tiger Swallowtail sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Cumbres de Monterrey National Park, in our data
Cumbres de Monterrey National Park is the only park on Wallace's Line with enough records to rate Three-Tailed Tiger Swallowtail sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Papilio
The closest relatives of the Three-Tailed Tiger Swallowtail that you can see in Cumbres de Monterrey National Park (genus Papilio, Common Swallowtails) are Western Giant Swallowtail (about 20%), Palamedes Swallowtail (about 20%) and Black Swallowtail (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Three-Tailed Tiger Swallowtail is recorded against all the insects logged in Cumbres de Monterrey National Park (100 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.
