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10-12.5 cm. Male : like male Crimson Sunbird : A. siparaja but head-side,
nape, mantle, wing-coverts, throat, breast and tail scarlet, restricted
iridescent purplish median line on forecrown to horseshoe-shaped patch
on side of crown and nape. Female : Drab, yellowish-olive below,wings
and tail fringed reddish-rufous.