Phylloscopus tenellipes
Silhouette: Jiekun He · PhyloPic
In 3 days ~40% in a week ~70%
The pale-legged leaf warbler (Phylloscopus tenellipes) is a species of Old World warbler in the family Phylloscopidae. The species was first described by Robert Swinhoe in 1860. It is found in Manchuria; it winters in Southeast Asia. Its natural habitat is temperate forests.
It is 12 cm in length with brownish upperparts and a contrasting greyish-brown crown and nape. The whitish supercilium contrasts strongly, not reaching the forehead but extending well behind the eyes. Its eyeline is dark brown and wider behind the eye. Cheeks mottled pale brown and throat whitish. White undertail coverts contrast with paler olive-brown rump and uppertail coverts, lacks greenish tinge. Breast and belly whitish, washed pale brown.
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| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cat Tien National Park | 🇻🇳 Vietnam | |
| 2 | Khao Yai National Park | 🇹🇭 Thailand | |
| 3 | Kaeng Krachan National Park | 🇹🇭 Thailand | |
| 4 | Khao Sok National Park | 🇹🇭 Thailand | |
| 5 | Khao Luang National Park | 🇹🇭 Thailand | |
| 6 | Cuc Phuong National Park | 🇻🇳 Vietnam | |
| 7 | Doi Inthanon National Park | 🇹🇭 Thailand |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Xiuying District | 🇨🇳 China | |
| 2 | Zhuhai [Macau] | 🇨🇳 China | |
| 3 | Hangzhou | 🇨🇳 China | |
| 4 | Hong Kong | 🇨🇳 China | |
| 5 | Hanoi | 🇻🇳 Vietnam | |
| 6 | Busan | 🇰🇷 South Korea | |
| 7 | Suzhou | 🇨🇳 China | |
| 8 | Nanjing | 🇨🇳 China | |
| 9 | Guangzhou | 🇨🇳 China | |
| 10 | Bangkok | 🇹🇭 Thailand |
With luck
About 10% of wildlife watchers report a Pale-legged Leaf-Warbler sighting in Khao Yai National Park on a given day, based on 339 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 100th most-seen of the 278 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.
November to March
In those months about 20% of wildlife watchers report a Pale-legged Leaf-Warbler in Khao Yai National Park on a given day, against under 5% in May to September, the lowest months. Those are among Khao Yai National Park's driest months, with about 45 mm of rain a month against 330 mm in September.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Pale-legged Leaf-Warbler sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 7 parks where we can rate Pale-legged Leaf-Warbler sightings, Khao Yai National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Cat Tien National Park (Vietnam, about 10%).
Same genus: Phylloscopus
The closest relatives of the Pale-legged Leaf-Warbler that you can see in Khao Yai National Park (genus Phylloscopus, Leaf Warblers) are Yellow-browed Warbler (about 50%), Two-barred Warbler (about 20%) and Claudia's Leaf-Warbler (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Pale-legged Leaf-Warbler is recorded against all the birds logged in Khao Yai National Park (339 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.
