Russet bush warbler 
(Chích nâu đỏ, Locustella mandelli)

The russet bush warbler (Locustella mandelli) is a songbird species placed in the newly recognized family Locustellidae.

The genus name Locustella is from Latin and is a diminutive of locusta, "grasshopper".
The scientific name commemorates the Italian naturalist Louis Mandelli.