Cover image of Lesser Swamp Warbler by Johan Heyns – Marievale Bird Sanctuary, Gauteng The Lesser Swamp Warbler belongs to the Family ACROCEPHALIDAE (Reed Warblers and allies). The species in this family are small, insectivorous passerine birds. Most are drab olive-brown above and cream to yellow or beige below. They are usually found in reedbeds, but also in open … Continue reading Lesser Swamp Warbler (Acrocephalus gracilirostris)