Brownish-flanked Bush-Warbler

Brownish-flanked Bush-Warbler

Horornis fortipes

Silhouette: Jiekun He · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~10% · With luck
at Nanjing

In 3 days ~30% in a week ~60%

73 Verified sightings at Nanjing
350 In all 5 parks From 2019 to 2026
June Best month
☀️ Diurnal When it's spotted

About the Brownish-flanked Bush-Warbler

The brown-flanked bush warbler (Horornis fortipes), also known as the brownish-flanked bush warbler, is a species of bush-warbler of the family Cettiidae. It was formerly included in the "Old World warbler" assemblage. It is found in Himalayas, South China and Southeast Asia. Wikipedia →

Sounds

Call1:26

China · 2025

© Bo Shunqi 薄顺奇 · XC1180537 · CC BY-NC-SA 4.0

Song0:29

China · 2021

© JJSUN · XC1070771 · CC BY-NC-SA 4.0

Call1:12

China · 2025

© Dave Guo · XC1047492 · CC BY-NC-SA 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Taroko National Park 🇹🇼 Taiwan
~10%
2 Jiuzhaigou National Park 🇨🇳 China
~10%
3 Royal Manas National Park 🇧🇹 Bhutan
<5%
4 Jim Corbett National Park 🇮🇳 India
<5%
5 Manas National Park 🇮🇳 India
<5%

Cities Where Found

# City Country Daily sighting probability
1 Guiyang 🇨🇳 China
~50%
2 Hangzhou 🇨🇳 China
~40%
3 Hefei 🇨🇳 China
~20%
4 Fuzhou 🇨🇳 China
~20%
5 Nanchang 🇨🇳 China
~10%
6 Jinhua 🇨🇳 China
~10%
7 Nanjing 🇨🇳 China
~10%
8 Changsha 🇨🇳 China
~10%
9 Wuhan 🇨🇳 China
~10%
10 Guangzhou 🇨🇳 China
~10%

Before you go

What are the chances of seeing a Brownish-flanked Bush-Warbler in Nanjing?

With luck

About 10% of wildlife watchers report a Brownish-flanked Bush-Warbler sighting in Nanjing on a given day, based on 73 verified sightings from GBIF citizen-science data. It is the 51st most-seen of the 162 birds we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.

When is the best time to see a Brownish-flanked Bush-Warbler in Nanjing?

June

In that month about 30% of wildlife watchers report a Brownish-flanked Bush-Warbler in Nanjing on a given day, against under 5% in February and September, the lowest months. That is one of Nanjing's wettest months, with about 180 mm of rain against 40 mm in December.

What time of day is best to see a Brownish-flanked Bush-Warbler?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Brownish-flanked Bush-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.

Is Nanjing the best place to see a Brownish-flanked Bush-Warbler?

7th of 19

Of the 19 cities where we can rate Brownish-flanked Bush-Warbler sightings, Nanjing ranks 7th at about 10%. The best odds are in Guiyang (China, about 50%), Hangzhou (China, about 40%) and Hefei (China, about 20%).

Where does the Brownish-flanked Bush-Warbler sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Brownish-flanked Bush-Warbler is recorded against all the birds logged in Nanjing (73 verified sightings), 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.

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