A new species of leaf warbler (Sylviidae: Phylloscopus) is described f
rom the mountain Emei Shan, Sichuan Province, China, Morphologically i
t is extremely similar to, yet significantly different from, the sympa
tric Blyth's Leaf Warbler Phylloscopus reguloides and White-tailed Lea
f Warbler Phylloscopus davisoni. Songs and calls are both very differe
nt from P. reguloides and P. davisoni, and playback tests confirmed th
e specific status of the new species.