Brown-flanked Bush Warbler, Animal Database

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

Brown-flanked bush warbler - Wikipedia

Brownish-flanked Bush Warbler (Brownish-flanked) - eBird

Japanese Bush-Warbler –

Connecticut Warbler (Oporornis agilis) - Peru Aves

Manchurian Bush Warbler, Animal Database

Brownish-flanked Bush Warbler (Horornis fortipes) · iNaturalist

Taxonomy update for 2013 - eBird

Manchurian Bush Warbler, Animal Database

Brown-flanked Bush Warbler, Animal Database

Hong Kong Wildtracks

Jesper Hornskov – Wild Beijing 北京自然

Black-and-white Warbler (Mniotilta varia) - Peru Aves