Papyrus yellow warbler

The papyrus yellow warbler, papyrus flycatcher-warbler or thin-billed flycatcher-warbler (Calamonastides gracilirostris) is a species of tree warbler; formerly, these were placed in the paraphyletic "Old World warblers". It is monotypic in its genus. It is found in Burundi, Democratic Republic of the Congo, Kenya, Rwanda, Tanzania, Uganda, and Zambia. Its natural habitat is swamps. It is threatened by habitat loss.

Papyrus yellow warbler
Papyrus yellow warbler (centre left)
Conservation status
Vulnerable  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Acrocephalidae
Genus:	Calamonastides Grant, CHB & Mackworth-Praed, 1940
Species:	C. gracilirostris
Binomial name
Calamonastides gracilirostris (Ogilvie-Grant, 1906)
Subspecies[2]
C. g. gracilirostris - (Ogilvie-Grant, 1906) C. g. bensoni - (Amadon, 1954)
Resident range
Synonyms
Chloropeta gracilirostris

Description

Compared with the dull browns and greys typical of swamp-dwelling warblers, this warbler is brightly coloured. It shows an underbelly of rich yellow and olive-brown upper parts. Its song consists of melodious liquid warbling.^[3]