Euthalia recta
In 3 days ~40% in a week ~70%
Bassarona recta, the redtail marquis, is a species of nymphalid butterfly found in South and South-East Asia. E. recta is much rarer than E. teuta, occurring like this in two broods, one of the dry-season with very broad longitudinal bands on both wings, female with monotonous red-brown under surface; the form of the wet-season having the under surface dark brown, richly clouded with black. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cat Tien National Park | 🇻🇳 Vietnam | |
| 2 | Kaeng Krachan National Park | 🇹🇭 Thailand |
Possible
About 20% of wildlife watchers report a Redtail Marquis sighting in Kaeng Krachan National Park on a given day, based on 32 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 51st most-seen of the 296 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
January, March–April, June–August and November
In those months about 20% of wildlife watchers report a Redtail Marquis in Kaeng Krachan National Park on a given day, against under 5% in September and October, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Redtail Marquis sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 parks where we can rate Redtail Marquis sightings, Kaeng Krachan National Park ranks 2nd at about 20%. The best odds are in Cat Tien National Park (Vietnam, about 30%).
Same genus: Euthalia
The closest relatives of the Redtail Marquis that you can see in Kaeng Krachan National Park (genus Euthalia, Baron and Duke Butterflies) are Great Marquis (about 20%) and Powdered Baron (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Redtail Marquis is recorded against all the insects logged in Kaeng Krachan National Park (32 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.
