Euploea algea
In 3 days ~20% in a week ~30%
Euploea algea, the long branded blue crow, is a butterfly found in India and Southeast Asia that belongs to the crows and tigers, that is, the Danaid group of the brush-footed butterflies family. This is a large light brown butterfly with a wingspan of 60 to 70 mm depending on the subspecies, presents an upperside with forewings (dependent on the subspecies) with small metallic blue to completely metallic blue spots.The reverse is light brown dotted with small white dots in different numbers depending on the subspecies.
The larva is brown with white and black stripes on the dorsum. 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 Long-Branded Blue Crow Butterfly sighting in Kaeng Krachan National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 249th 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 30%, if each day is a fresh chance.
January and April–May
In those months about 10% of wildlife watchers report a Long-Branded Blue Crow Butterfly in Kaeng Krachan National Park on a given day, against under 5% in February–March and June–December, the lowest months.
Between 5 and 8 am
Across all the parks we cover, that three-hour window holds the most Long-Branded Blue Crow Butterfly sightings with a recorded time, and about 8 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 Long-Branded Blue Crow Butterfly sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Euploea
The closest relatives of the Long-Branded Blue 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 Long-Branded Blue Crow Butterfly is recorded against all the insects logged in Kaeng Krachan National Park (5 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.
