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Photo: Lip Kee (Singapore) · CC BY-SA 2.0 (May be cropped or resized)
Prinia familiaris
Range
Endemic to Indonesia (Sumatra and Java)
Size
13cm
Weight
8–10g
The bar-winged prinia, sometimes known as the bar-winged wren-warbler, is a distinctive prinia, 13 cm long and weighing 8–10 g. It is endemic to Indonesia, where it occurs on the islands of Sumatra and Java (Wikipedia, general species account).