Urbanus doryssus
In 3 days ~10% in a week ~30%
Cecropterus doryssus, commonly known as the white-tailed longtail, is a species of dicot skipper in the butterfly family Hesperiidae. It is found in Central America, North America, and South America. 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 White-Tailed Longtail sighting in Cumbres de Monterrey National Park on a given day, based on 15 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 188th most-seen of the 431 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
February, July and September–November
In those months about 10% of wildlife watchers report a White-Tailed Longtail in Cumbres de Monterrey National Park on a given day, against under 5% in March–June, August and December–January, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most White-Tailed Longtail sightings with a recorded time, and nearly all 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 White-Tailed Longtail sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Urbanus
The closest relatives of the White-Tailed Longtail that you can see in Cumbres de Monterrey National Park (genus Urbanus) are Long-Tailed Skipper (about 10%), Brown Longtail (about 10%) and Dorantes Longtail (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the White-Tailed Longtail is recorded against all the insects logged in Cumbres de Monterrey National Park (15 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.
