Phylloscopus yunnanensis
Silhouette: Jiekun He · PhyloPic
In 3 days ~40% in a week ~60%
The Chinese leaf warbler (Phylloscopus yunnanensis) is a species of Old World warbler in the family Phylloscopidae. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical high-altitude shrubland. It is found only in China.
The Chinese leaf warbler's scientific binomial name, Phylloscopus yunnanensis, originates from the Irish ornithological naturalist authority John David Digues La Touche in 1922. A more recent Latin "junior synonym" alternate scientific name is P. sichuanensis from 1992. Yunnanensis and sichuanensis derive from the Yunnan and Sichuan provinces in China.
The Chinese leaf warbler is a brightly colored, small leaf-warbler, with a total length of around 10 cm and a wing length of 5–6 cm. Its body is slightly elongated and compact. The warbler has a slightly forked or notched tail that is almost square in shape. Its bill is pointed and short (around 1 cm long) and dark brown in color, brownish-yellow on the underside. The wings are very short and rounded, the legs slender and very dark. Claws and toes are dark brownish-grey with dusky buff undersides.
Birds generally go through variations... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Jiuzhaigou National Park | 🇨🇳 China | |
| 2 | Doi Inthanon National Park | 🇹🇭 Thailand |
With luck
About 10% of wildlife watchers report a Chinese Leaf-Warbler sighting in Jiuzhaigou National Park on a given day, based on 22 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 58th most-seen of the 131 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 60%, if each day is a fresh chance.
July
In that month about 30% of wildlife watchers report a Chinese Leaf-Warbler in Jiuzhaigou National Park on a given day, against under 5% in May, the lowest month. That is one of Jiuzhaigou National Park's wettest months, with about 180 mm of rain against 15 mm in December. January to March have too few records to rate.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Chinese 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.
Yes
Of the 2 parks where we can rate Chinese Leaf-Warbler sightings, Jiuzhaigou National Park has the highest daily chance: about 10%. Next come Doi Inthanon National Park (Thailand, under 5%).
Same genus: Phylloscopus
The closest relatives of the Chinese Leaf-Warbler that you can see in Jiuzhaigou National Park (genus Phylloscopus, Leaf Warblers) are Buff-barred Warbler (about 50%), Hume's Warbler (about 50%) and Sichuan Leaf-Warbler (about 50%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Chinese Leaf-Warbler is recorded against all the birds logged in Jiuzhaigou National Park (22 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.
