Papyrus yellow warbler

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Papyrus yellow warbler
Aves. Appendix- On some points in the anatomy of Bradypterus cinnamomeus (1910) (20325071106).jpg
Papyrus yellow warbler (centre left)
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Acrocephalidae
Genus: Calamonastides
Grant and Mackworth-Praed, 1940
C. gracilirostris
Binomial name
Calamonastides gracilirostris
  • C. g. gracilirostris - (Ogilvie-Grant, 1906)
  • C. g. bensoni - (Amadon, 1954)
Calamonastides gracilirostris distribution map.png
Resident range

Chloropeta gracilirostris

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.


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]


  1. ^ BirdLife International (2017). "Calamonastides gracilirostris". IUCN Red List of Threatened Species. 2017: e.T103779235A111170261. doi:10.2305/IUCN.UK.2017-1.RLTS.T103779235A111170261.en. Retrieved 14 November 2021.
  2. ^ Gill F, D Donsker & P Rasmussen (Eds). 2020. IOC World Bird List (v10.2). doi : 10.14344/IOC.ML.10.2.
  3. ^ "Papyrus yellow warbler videos, photos and facts - Chloropeta gracilirostris | ARKive". Archived from the original on 2015-04-02. Retrieved 2015-03-12.
  • BirdLife International 2006. Chloropeta gracilirostris. 2006 IUCN Red List of Threatened Species. Downloaded on 10 July 2007.
  • Fregin, S., M. Haase, U. Olsson, and P. Alström. 2009. Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) - the traditional taxonomy overthrown. Molecular Phylogenetics and Evolution 52: 866–878.

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