The yellow longbill (Macrosphenus flavicans) is a species of Old World warbler in the Macrosphenidae family.It is found in Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon, Nigeria, South Sudan, Tanzania, and Uganda.Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.