Sulphur-bellied Warbler

The Sulphur-bellied Warbler, Phylloscopus griseolus, presents itself as a modestly adorned member of the leaf-warbler family. It is recognized by its understated plumage, which harmonizes with the foliage it frequents.

Identification Tips

This species can be identified by its greyish-brown upperparts and the distinctive sulphur-yellow wash on its underparts. Its appearance is similar to other leaf-warblers, but the yellow belly is a key distinguishing feature.

Habitat

The Sulphur-bellied Warbler is at home in rocky hills and scrub forests, where it can be seen flitting among the branches in search of sustenance.

Distribution

The bird's range extends across the Palearctic region, with sightings confirmed in Afghanistan, Kazakhstan, Kyrgyzstan, Mongolia, Central Asian Russia, Tajikistan, and Turkmenistan.

Behaviour

Observed in small groups, the Sulphur-bellied Warbler exhibits a preference for foraging low in the vegetation. It is not uncommon to see it hopping on the ground as it searches for insects.

Song & Calls

The vocalization of this warbler is a simple, yet distinctive, single-note "cheep" call, often heard as it moves through its habitat.

Diet and Feeding

Insectivorous by nature, the Sulphur-bellied Warbler gleans insects from small branches and leaves, adeptly navigating the foliage to feed.

Conservation status

The IUCN has classified the Sulphur-bellied Warbler as Least Concern, indicating that, for now, the species does not face any imminent threats to its survival.