Phylloscopus reguloides
The Blyth's Leaf Warbler (*Phylloscopus reguloides*) is a captivating member of the *Phylloscopidae* family, a true gem for keen-eyed birders across its Asian range. Measuring 11-12.5 cm in length and weighing a delicate 7-10 grams, this active passerine is characterized by its olive-green upperparts, pale yellowish-white underparts, and a distinctively marked head. Key identification features include a prominent, long yellow supercilium, a dark loral stripe, and a faint pale median crown str...
This species primarily inhabits broadleaf, mixed evergreen, and coniferous forests, often with dense undergrowth. It is typically found in submontane to montane regions, ranging from 1,000 to 3,500 meters during the breeding season.
The diet of the Blyth's Leaf Warbler consists almost exclusively of small invertebrates, primarily insects such as caterpillars, beetles, flies, and aphids, supplemented by spiders. They forage actively and acrobatically within foliage.
Blyth's Leaf Warblers are highly active, diurnal foragers, almost constantly on the move through the canopy and mid-story of trees and shrubs. They employ various foraging techniques, including gleaning insects from leaves, sallying for flying prey, and occasional hovering to snatch food. Males e...
The Blyth's Leaf Warbler breeds across a vast expanse of the Himalayas, extending from northern Pakistan and Kashmir through northern India, Nepal, Bhutan, and into northern Myanmar, southern China (Yunnan, Sichuan, Guizhou, Guangxi), and northern Indochina (Laos, Vietnam). During the non-breedin...
Least Concern
- Its name honors Edward Blyth (1810-1873), a British zoologist and curator of the museum of the Royal Asiatic Society of Bengal. - Despite its small size, its song is remarkably loud and far-carrying, often described as a series of clear, whistling phrases. - It is frequently considered a 'birde...