White-Tailed Longtail

White-Tailed Longtail

Urbanus doryssus

Daily sighting probability <5% · Rare
at Monterrey

In 3 days ~10% in a week ~20%

7 Verified sightings at Monterrey
15 In 1 park From 2019 to 2026
September Best month
☀️ Diurnal When it's spotted

About the White-Tailed Longtail

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 →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Cumbres de Monterrey National Park 🇲🇽 Mexico
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Monterrey 🇲🇽 México
<5%

Before you go

What are the chances of seeing a White-Tailed Longtail in Monterrey?

Rare

Under 5% of wildlife watchers report a White-Tailed Longtail sighting in Monterrey on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 305th most-seen of the 413 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a White-Tailed Longtail in Monterrey?

February and August–September

In those months about 10% of wildlife watchers report a White-Tailed Longtail in Monterrey on a given day, against under 5% in March–July and October–January, the lowest months.

What time of day is best to see a White-Tailed Longtail?

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.

Where else can you see a White-Tailed Longtail?

Only Monterrey, in our data

Monterrey is the only city on Wallace's Line with enough records to rate White-Tailed Longtail sightings: under 5% of wildlife watchers there report one on a given day.

Which relatives of the White-Tailed Longtail live in Monterrey?

Same genus: Urbanus

The closest relatives of the White-Tailed Longtail that you can see in Monterrey (genus Urbanus) are Brown Longtail (about 10%) and Long-Tailed Skipper (about 10%), with each one's daily chance of a sighting.

Where does the White-Tailed Longtail sighting chance come from?

GBIF citizen-science records

It is estimated from how often the White-Tailed Longtail is recorded against all the insects logged in Monterrey (7 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.

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