Lanceolated Warbler vs Brown Bush Warbler

The Lanceolated Warbler and Brown Bush Warbler are both small, heavily marked Locustella species. The Lanceolated Warbler is distinguished by its more pronounced streaking on the underparts and a narrow whitish supercilium. In contrast, the Brown Bush Warbler has less prominent streaking and a more uniform appearance.

1. Streaking: Lanceolated Warbler has more pronounced streaking on the underparts and uppertail-coverts. 2. Supercilium: Look for the narrow whitish supercilium on the Lanceolated Warbler. 3. General Appearance: Brown Bush Warbler appears more uniform and less streaked.

The Lanceolated Warbler features broad blackish streaks extending to the rump and uppertail-coverts, with a narrow whitish supercilium and dark lores. The Brown Bush Warbler has less prominent streaking and a more uniform olive-brown appearance.