Sullied Brown Sailer

Sullied Brown Sailer

Neptis nata

Daily sighting probability ~10% · With luck
at Taichung

In 3 days ~20% in a week ~40%

5 Verified sightings at Taichung
13 In 1 park From 2019 to 2026
June Best month
☀️ Diurnal When it's spotted

About the Sullied Brown Sailer

Neptis nata, the clear sailer or dirty sailer, is a species of nymphalid butterfly found in south and southeast Asia. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Taroko National Park 🇹🇼 Taiwan
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Taipei 🇹🇼 Taiwan
~10%
2 Taichung 🇹🇼 Taiwan
~10%
3 Hong Kong 🇨🇳 China
<5%

Before you go

What are the chances of seeing a Sullied Brown Sailer in Taichung?

With luck

About 10% of wildlife watchers report a Sullied Brown Sailer sighting in Taichung on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 172nd most-seen of the 197 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a Sullied Brown Sailer in Taichung?

June

In that month about 20% of wildlife watchers report a Sullied Brown Sailer in Taichung on a given day, against under 5% in July–August, October and December–May, the lowest months. That is one of Taichung's wettest months, with about 310 mm of rain against 40 mm in December.

What time of day is best to see a Sullied Brown Sailer?

Between 7 and 10 am

Across all the parks we cover, that three-hour window holds the most Sullied Brown Sailer sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Taichung the best place to see a Sullied Brown Sailer?

Among the best

Of the 3 cities where we can rate Sullied Brown Sailer sightings, Taichung ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Taipei (Taiwan, about 10%).

Where does the Sullied Brown Sailer sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Sullied Brown Sailer is recorded against all the insects logged in Taichung (5 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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