ML641958504

观察细节

"This species was common in Hill Yärkand at the Arpalak river in August. [G. H.] One specimen is quite immature, and it is probable that this country is, at least, one of this Tree-warbler's breeding haunts. It is, as already noticed, another of the apparently feeble winged species that seem to cross the Karakoram. [A. O. H.]" (Henderson and Hume, 1873, p. 220) Henderson, G. and Hume, A. O. (1873) Lahore to Yārkand: incidents of the route and natural history of the countries traversed by the expedition of 1870, under T. D. Forsyth London: L. Reeve.