This paper suggests new Japanese common names for two bird species. The current names reflect a misunderstanding of distribution and habitat. The current Japanese name for the Pale-legged warbler Phylloscopus tenellipes is uisuri-mushikui, which means the ‘Ussuli warbler’. Given that this species breeds over a much wider area than just the Ussuri River, the name should be changed to amuru-mushikui or ‘Amur warbler’. The current Japanese name for the Blyth's Reed Warbler Acrocephalus dumetorum is shiberia-yoshikiri or ‘Siberian reed warbler’. This species, however, is distributed widely across the Eurasian continent. This paper proposes that the Japanese name be changed to yabu-yoshikiri or ‘thicket reed warbler’ to reflect the original meaning of the formal species name.