In China, Davison’s Leaf Warbler Phylloscopus davisoni is uncommon breeder in Yunnan (except east), wintering Southeast Asia. Habitat and habits similar to Kloss’s Leaf Warbler P. ogilviegranti. Has more white in outer tail feathers than Kloss’s (visible only in hand) and a brighter yellow supercilium and crown-stripe and more yellowish-tinged underparts than race disturbans of Kloss’s. Voice similar to Kloss’s. — Craig Brelsford
Daniel Bengtsson served as chief ornithological consultant for Craig Brelsford’s Photographic Field Guide to the Birds of China, from which this species description is drawn.