Urosphena squameiceps
The Asian Stubtail (Urosphena squameiceps) is a diminutive and elusive warbler, measuring only about 9-10.5 cm in length with a mere 8-11 cm wingspan and weighing 5-8 grams. It is characterized by its exceptionally short, stubby tail, olive-brown upperparts, and dingy whitish underparts, often with faint streaking on the flanks. A prominent, pale supercilium contrasting with a dark eye-line and dark loral stripe are key identifying features. Taxonomically, it belongs to the family Cettiidae, ...
Primarily inhabits dense undergrowth of broadleaf forests, mixed woodlands, and bamboo thickets, often favoring damp areas near streams or ravines, from lowlands to foothills.
Primarily insectivorous, consuming small insects, larvae, and spiders, which it gleans from foliage and low branches.
This highly skulking species is more often heard than seen, spending most of its time hidden within dense low vegetation, actively foraging during daylight hours. Its foraging strategy involves meticulously gleaning insects and spiders from leaves, twigs, and bark in the understory. During the br...
The Asian Stubtail breeds across a wide swathe of East Asia, primarily in Japan (Honshu, Shikoku, Kyushu), the Korean Peninsula, northeastern China (Heilongjiang, Jilin, Liaoning), and the Russian Far East (Amurland, Ussuriland, Sakhalin Island). During the non-breeding season, it undertakes a si...
Least Concern
- The Asian Stubtail is one of the smallest warblers in Asia, barely larger than a hummingbird, making it challenging to spot. - Its name "stubtail" aptly describes its remarkably short tail, which can be difficult to discern in the field. - Despite its diminutive size, its breeding song is a lou...