Grauer's Swamp Warbler
NameGrauer's Swamp Warbler
Common NameGrauer's Swamp Warbler
Scientific NameBradypterus graueri
FamilyLocustellidae
Wingspan (cm)21
Length (cm)14.5
Weight (g)12
Plumage DetailsUpperparts are plain olive-brown, contrasting with paler, buffy-white underparts on the throat and belly. The flanks have a rufous wash, and there is a faint pale supercilium above dark lores.
Vocalization / CallIts song is a distinctive, high-pitched, rapid, insect-like trill or buzzing sound, often accelerating and rising in pitch. It also produces sharp alarm calls.
Primary Dietinsectivore
Primary Habitatswetland
Conservation Statusendangered
Geographic RangeEndemic to the Albertine Rift mountains of central Africa, found in eastern Democratic Republic of Congo, Rwanda, and Uganda.
Identifying FeaturesPlain olive-brown plumage, Faint pale supercilium, Rufous wash on flanks, Secretive behavior in dense swamp vegetation, Buzzing, insect-like song
Description
This secretive warbler is a medium-sized, plain brown bird found exclusively in dense swamp vegetation. It is often heard rather than seen, foraging low among reeds and sedges in its marshy habitat.
