Telchinia issoria
In 3 days ~40% in a week ~70%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cuc Phuong National Park | 🇻🇳 Vietnam | |
| 2 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 3 | Taroko National Park | 🇹🇼 Taiwan |
Possible
About 20% of wildlife watchers report a Yellow Coster sighting in Doi Inthanon National Park on a given day, based on 17 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 35th most-seen of the 153 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.
May
In that month about 40% of wildlife watchers report a Yellow Coster in Doi Inthanon National Park on a given day, against under 5% in February, April, August–September and November–December, the lowest months. That is one of Doi Inthanon National Park's wettest months, with about 290 mm of rain against 20 mm in February.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Yellow Coster sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 3
Of the 3 parks where we can rate Yellow Coster sightings, Doi Inthanon National Park ranks 2nd at about 20%. The best odds are in Cuc Phuong National Park (Vietnam, about 40%).
Same family: Nymphalidae
The closest relatives of the Yellow Coster that you can see in Doi Inthanon National Park (family Nymphalidae, Brush-footed Butterflies) are Lemon Pansy (about 30%), Red Lacewing Butterfly (about 30%) and Chocolate Pansy (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yellow Coster is recorded against all the insects logged in Doi Inthanon National Park (17 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.
