Phylloscopus ogilviegranti
The Kloss's Leaf Warbler (Phylloscopus davisoni ogilviegranti) is a leaf warbler found in Cambodia, China, Laos, Thailand, and Vietnam. Its natural habitats are temperate forests, subtropical or tropical moist lowland forests, and subtropical or tropical moist montane forests. Most taxonomists consider it to be a subspecies of the Davison's Leaf Warbler.