Phylloscopus ricketti
Silhouette: Jiekun He · PhyloPic
In 3 days ~40% in a week ~70%
The sulphur-breasted warbler (Phylloscopus ricketti) is a species of Old World warbler in the family Phylloscopidae. It breeds in China; it winters to Laos, Thailand and Cambodia. Its natural habitats are temperate forests and subtropical or tropical moist lowland forests. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Khao Yai National Park | 🇹🇭 Thailand | |
| 2 | Kaeng Krachan National Park | 🇹🇭 Thailand | |
| 3 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 4 | Cuc Phuong National Park | 🇻🇳 Vietnam |
With luck
About 10% of wildlife watchers report a Sulphur-breasted Warbler sighting in Kaeng Krachan National Park on a given day, based on 584 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 112th most-seen of the 360 birds 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.
February
In that month about 30% of wildlife watchers report a Sulphur-breasted Warbler in Kaeng Krachan National Park on a given day, against under 5% in April to October, the lowest months. That is one of Kaeng Krachan National Park's driest months, with about 40 mm of rain against 260 mm in September.
Between 4 and 7 am
Across all the parks we cover, that three-hour window holds the most Sulphur-breasted Warbler sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
2nd of 4
Of the 4 parks where we can rate Sulphur-breasted Warbler sightings, Kaeng Krachan National Park ranks 2nd at about 10%. The best odds are in Khao Yai National Park (Thailand, about 20%).
Same genus: Phylloscopus
The closest relatives of the Sulphur-breasted Warbler that you can see in Kaeng Krachan National Park (genus Phylloscopus, Leaf Warblers) are Yellow-browed Warbler (about 30%), Two-barred Warbler (about 20%) and Pale-legged Leaf-Warbler (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Sulphur-breasted Warbler is recorded against all the birds logged in Kaeng Krachan National Park (584 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.
