Euploea eunice
In 3 days ~50% in a week ~80%
Euploea eunice, commonly called the blue-banded king crow, is a species of butterfly that belongs to the Danaid group (the crows and tigers) of the brush-footed butterflies family. It is found in the Indomalayan realm. The larva feeds on Ficus, Flacourtia rukam, and Streblus asper. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cuc Phuong National Park | 🇻🇳 Vietnam |
More parks will be added in future updates.
Possible
About 20% of wildlife watchers report a Blue-Banded King Crow Butterfly sighting in Cuc Phuong National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 95th most-seen of the 126 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.
June
In that month about 50% of wildlife watchers report a Blue-Banded King Crow Butterfly in Cuc Phuong National Park on a given day, against under 5% in July–August and October–March, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Blue-Banded King 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 Cuc Phuong National Park, in our data
Cuc Phuong National Park is the only park on Wallace's Line with enough records to rate Blue-Banded King Crow Butterfly sightings: about 20% of wildlife watchers there report one on a given day.
Same genus: Euploea
The closest relatives of the Blue-Banded King Crow Butterfly that you can see in Cuc Phuong National Park (genus Euploea, Crow Butterflies) are Striped Blue Crow (about 40%) and Purple Crow Butterfly (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Blue-Banded King Crow Butterfly is recorded against all the insects logged in Cuc Phuong 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.
