Horornis acanthizoides
Silhouette: Sheatherius · PhyloPic
In 3 days ~50% in a week ~80%
The yellow-bellied bush warbler (Horornis acanthizoides), also known as the yellowish-bellied bush warbler, is a species of bush warbler in the family Cettiidae. It was formerly included in the "Old World warbler" assemblage.
It is found on mainland China and Taiwan. Hume's bush warbler was formerly considered conspecific. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Taroko National Park | 🇹🇼 Taiwan | |
| 2 | Jiuzhaigou National Park | 🇨🇳 China |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Chengdu | 🇨🇳 China |
Possible
About 20% of wildlife watchers report a Yellowish-bellied Bush-Warbler sighting in Jiuzhaigou National Park on a given day, based on 31 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 41st most-seen of the 131 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
June
In that month about 30% of wildlife watchers report a Yellowish-bellied Bush-Warbler in Jiuzhaigou National Park on a given day, against about 10% in April and July–December, the lowest months. That is one of Jiuzhaigou National Park's wettest months, with about 160 mm of rain against 15 mm in December. January to March have too few records to rate.
Between 3 and 6 am
Across all the parks we cover, that three-hour window holds the most Yellowish-bellied Bush-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 2
Of the 2 parks where we can rate Yellowish-bellied Bush-Warbler sightings, Jiuzhaigou National Park ranks 2nd at about 20%. The best odds are in Taroko National Park (Taiwan, about 30%).
GBIF citizen-science records
It is estimated from how often the Yellowish-bellied Bush-Warbler is recorded against all the birds logged in Jiuzhaigou National Park (31 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.
