Серобрюхий ткач Ploceus nelicourvi

Dark olive-green forest-dwelling weaver. Male has a black cap and yellow collar; female plainer. Both sexes have a chestnut undertail. Madagascar endemic that is found in eastern and northern rainforest, and sometimes in scrub and gardens. Usually seen solo or in pairs, sometimes joining mixed feeding flocks. Elaborate woven nest has a long entrance tunnel, and hangs conspicuously in an open area. Song is a high-pitched sizzling; call is a husky, repeated “chey.”