The chestnut-vented warbler, chestnut-vented tit-babbler or rufous-vented warbler, (Sylvia subcaerulea), is an Old World warbler.The chestnut-vented warbler breeds in southern Africa in Angola, Botswana, Zimbabwe, Zambia, Namibia, South Africa, Lesotho, Mozambique and Swaziland. This is a common species found in a range of habitats fynbos, scrub, thickets and dry riverbeds.