Phylloscopus tenellipes
Silhouette: Jiekun He · PhyloPic
In 3 days ~20% in a week ~30%
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 Sok National Park on a given day, based on 42 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 124th most-seen of the 213 birds we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
January
In that month about 20% of wildlife watchers report a Pale-legged Leaf-Warbler in Khao Sok National Park on a given day, against under 5% in April to November, the lowest months. That is one of Khao Sok National Park's driest months, with about 70 mm of rain against 280 mm in October.
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 Sok National Park ranks 4th at about 10%, level with the leaders once rounded. The best odds are in Cat Tien National Park (Vietnam, about 10%), Khao Yai National Park (Thailand, about 10%) and Kaeng Krachan National Park (Thailand, about 10%).
Same genus: Phylloscopus
The closest relatives of the Pale-legged Leaf-Warbler that you can see in Khao Sok National Park (genus Phylloscopus, Leaf Warblers) are Eastern Crowned-Warbler (about 20%), Arctic Warbler (about 10%) and Yellow-browed Warbler (about 10%), 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 Sok National Park (42 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.
