Phylloscopus fuscatus
Family: Leaf Warblers · Status: Vagrant · Size: 12–12.5 cm · Conservation: Least Concern
Breeds across eastern Eurasia, northern China and Siberia, winters in the Indian subcontinent, southern China, Indochina and the Thai-Malay Peninsula.
Resembles Arctic Warbler but has dark to greyish-brown upperparts without pale wing bars (but beware Arctic Warbler usually lacks wing bars in Singapore), pale buff underparts, and a darker buffish wash on breast-sides, flanks, and undertail-coverts. Supercilium is long and buff.
Open areas with low bushes and scrub; often in wetter habitats than other leaf warblers such as ponds, wetlands, and drains.
Secretive; skulks in low dense vegetation or low branches close to the ground.