Euploea sylvester
In 3 days ~20% in a week ~40%
Euploea sylvester, the double-branded crow, also known as the two-brand crow in Australia, is a butterfly found in South Asia, Southeast Asia and parts of Australia that belongs to the crows and tigers, that is, the danaid group of the brush-footed butterflies family.
Several races of the butterfly are recognized. Race pelor is found in Australia. Males, however, can be distinguished at once by the presence of two brands instead of a single one on the forewing. Of the females Lionel de Nicéville says, females of E. coreta... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kaeng Krachan National Park | 🇹🇭 Thailand |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Double-Branded Crow Butterfly sighting in Kaeng Krachan National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 219th most-seen of the 296 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.
June, October and December–March
In those months about 10% of wildlife watchers report a Double-Branded Crow Butterfly in Kaeng Krachan National Park on a given day, against under 5% in April–May, July–September and November, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Double-Branded Crow Butterfly 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 Kaeng Krachan National Park, in our data
Kaeng Krachan National Park is the only park on Wallace's Line with enough records to rate Double-Branded Crow Butterfly sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Euploea
The closest relatives of the Double-Branded Crow Butterfly that you can see in Kaeng Krachan National Park (genus Euploea, Crow Butterflies) are Striped Blue Crow (about 10%), Magpie Crow Butterfly (about 10%) and Common Crow (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Double-Branded Crow Butterfly is recorded against all the insects logged in Kaeng Krachan National Park (9 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.
