. . "Chordata" . . . . "Aves" . . . "Sylviidae" . "Animalia" . . . . "Passeriformes" . "Locustella certhiola (Pallas 1811)" . "(Pallas 1811)" . . . "Locustella" . . "Pallas's Grasshopper-Warbler" . . . "Locustella certhiola" . .