Appearance
These 13–14-cm long warblers have short rounded wings, a longish tail, strong legs and a short black bill. In breeding plumage, adults are grey-brown above, with a short white supercilium and rufous fringes on the closed wings. Underparts are whitish-buff. The sexes are identical.In winter, the upperparts are a warmer brown, and the underparts more buff. The tail is longer than in summer. There are a number of races differing in plumage shade. The endemic race in Sri Lanka retains summer plumage, including the shorter tail, all year round.
Naming
It was formerly included in the tawny-flanked prinia, "Prinia subflava", resident in Africa south of the Sahara. The two are now usually considered to be separate species.
Food
Like most warblers, the plain prinia is insectivorous. The song is a repetitive "tlee-tlee-tlee".References:
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