Euthalia aconthea
In 3 days ~20% in a week ~50%
Euthalia aconthea, the common baron, often called simply baron, is a medium-sized nymphalid butterfly native to Sri Lanka, India and southeast Asia. It flies with stiff wing beats and often glides. The wing is not flapped very far below the horizontal.
The male is brown with slight traces of olive. The forewing has two transverse short black lines at the base, a black loop across the middle, and another beyond the apex of the cell, with their centres dark brown, followed by an angulated discal dark brown band bordered outwardly by a series of five white spots; two preapical white spots beyond and a broad, somewhat diffuse, subterminal black band broadening over the apex and angulated inwards in interspace 1. Hindwing shaded with dark brown at base, two crescent-shaped dark brown loop-like marks in cell; a discal series of dark brown, elongate, outwardly acute, inwardly diffuse, somewhat hastate (spear-shaped) spots, followed by a subterminal series of small spots of the same colour. Underside ochraceous brown. Forewing on the underside shows five transverse slender black lines across cell; a black spot below median vein; discal and preapical white spots as on the... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kalyan-Dombivli | 🇮🇳 India | |
| 2 | Jabalpur | 🇮🇳 India | |
| 3 | Dhaka | 🇧🇩 Bangladesh | |
| 4 | Bengaluru | 🇮🇳 India | |
| 5 | Ponnani | 🇮🇳 India | |
| 6 | Pune | 🇮🇳 India | |
| 7 | Mumbai | 🇮🇳 India | |
| 8 | Kozhikode | 🇮🇳 India | |
| 9 | Chandigarh | 🇮🇳 India | |
| 10 | Chattogram | 🇧🇩 Bangladesh |
With luck
About 10% of wildlife watchers report a Common Baron sighting in Bandung on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 66th most-seen of the 156 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
May–June, September and November–March
In those months about 10% of wildlife watchers report a Common Baron in Bandung on a given day, against under 5% in April, July–August and October, the lowest months.
28th of 33
Of the 33 cities where we can rate Common Baron sightings, Bandung ranks 28th at about 10%. The best odds are in Kalyan-Dombivli (India, about 30%), Jabalpur (India, about 30%) and Dhaka (Bangladesh, about 30%).
Same genus: Euthalia
The closest relatives of the Common Baron that you can see in Bandung (genus Euthalia, Baron and Duke Butterflies) are Powdered Baron (about 10%) and Redspot Duke (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Baron is recorded against all the insects logged in Bandung (12 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.
