Southern Sicklewing

Southern Sicklewing

Achlyodes thraso

Daily sighting probability ~20% · Possible
at Cumbres de Monterrey National Park

In 3 days ~50% in a week ~80%

177 Verified sightings at Cumbres de Monterrey National Park From 2019 to 2026
297 In all 6 parks
October Best month
☀️ Diurnal When it's spotted

About the Southern Sicklewing

Eantis thraso is a species of spread-wing skipper in the butterfly family Hesperiidae. It is found in Central America, South America, and the Caribbean. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Iguazú National Park 🇦🇷 Argentina
~20%
2 Cumbres de Monterrey National Park 🇲🇽 Mexico
~20%
3 Iguaçu National Park 🇧🇷 Brazil
~20%
4 Serra dos Órgãos National Park 🇧🇷 Brazil
~10%
5 Ostional Wildlife Refuge 🇨🇷 Costa Rica
~10%
6 Lago de Yojoa 🇭🇳 Honduras
~10%

Cities Where Found

# City Country Daily sighting probability
1 Porto Alegre 🇧🇷 Brazil
~10%
2 Manaus 🇧🇷 Brazil
~10%
3 Monterrey 🇲🇽 México
~10%
4 Curitiba 🇧🇷 Brazil
~10%
5 Vitória 🇧🇷 Brazil
~10%
6 São Paulo 🇧🇷 Brazil
~10%
7 San Antonio 🇺🇸 United States
<5%
8 Austin 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Southern Sicklewing in Cumbres de Monterrey National Park?

Possible

About 20% of wildlife watchers report a Southern Sicklewing sighting in Cumbres de Monterrey National Park on a given day, based on 177 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 10th most-seen of the 431 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.

When is the best time to see a Southern Sicklewing in Cumbres de Monterrey National Park?

October

In that month about 40% of wildlife watchers report a Southern Sicklewing in Cumbres de Monterrey National Park on a given day, against under 5% in March, May and December–January, the lowest months.

What time of day is best to see a Southern Sicklewing?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Southern Sicklewing sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Cumbres de Monterrey National Park the best place to see a Southern Sicklewing?

Among the best

Of the 6 parks where we can rate Southern Sicklewing sightings, Cumbres de Monterrey National Park ranks 2nd at about 20%, level with the leaders once rounded. The best odds are in Iguazú National Park (Argentina, about 20%).

Where does the Southern Sicklewing sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Southern Sicklewing is recorded against all the insects logged in Cumbres de Monterrey National Park (177 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.

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