Phylloscopus armandii
The Yellow-streaked Warbler (Phylloscopus armandii) is a diminutive and often understated member of the Old World leaf warbler family, Phylloscopidae. Measuring approximately 10.5-12 cm in length and weighing 6-9 grams, it exhibits a relatively plain plumage of olive-green to greenish-brown upperparts and dull white to pale yellowish underparts. Its most distinctive field mark is a prominent yellow supercilium (eyebrow) that contrasts with a darker eye-stripe, along with pale tertial edges fo...
Found primarily in subalpine coniferous and mixed broadleaf forests, as well as rhododendron scrub and open woodlands. It typically inhabits high-elevation mountainous regions.
Its diet consists almost exclusively of small insects and their larvae, as well as spiders and other tiny invertebrates, primarily gleaned from leaves and bark.
The Yellow-streaked Warbler is an active and restless foraging insectivore, constantly gleaning small invertebrates from the foliage and branches, predominantly in the mid-story and canopy. During the breeding season, males establish territories marked by their distinctive, often high-pitched buz...
The Yellow-streaked Warbler breeds across a vast mountainous expanse of central and western China, extending through provinces such as Sichuan, Gansu, Qinghai, and Shaanxi, and eastwards into Shanxi and Hebei. Its breeding range also stretches westward into the eastern Himalayas, encompassing par...
Least Concern
- The Yellow-streaked Warbler's specific epithet 'armandii' honors Père Armand David, a French Lazarist missionary and naturalist who extensively explored and documented China's biodiversity in the 19th century. - Its song, often described as a high-pitched, buzzing trill, is a crucial identifica...