Lesser Swamp-Warbler (Acrocephalus gracilirostris)

Other Names (World)
Lesser Swamp-Warbler, Swamp Warbler, Lesser Swamp Reed-warbler, African Swamp-warbler, African Reed-warbler(!), Cape Reed-warbler, Lesser Swamp Warbler

Family
Acrocephalidae (Reed-warblers)

Size
15 cm

First Described (Guide)
(Hartlaub, 1864)

Range (Guide)

Angola, Botswana, Burundi, Chad, Congo [The Democratic Republic of the], Ethiopia, Kenya, Lesotho, Malawi, Mozambique, Namibia, Nigeria, Rwanda, Somalia, South Africa, Sudan, Swaziland, Tanzania [United Republic of], Uganda, Zambia, Zimbabwe.

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is unknown (2010).

Status LC
For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (129)...)

Lesser Swamp Warbler (Acrocephalus gracilirostris) [XC751149]
by Lynette Rudman from Kaalspruit stream near Leeuberg, Bloemfonteiny, Free State, South Africa (call)

Lesser Swamp Warbler (Acrocephalus gracilirostris) [XC856447]
by Jason Anderson from Sheema (near Lukondo), Wilaya ya Sheema, Mkoa wa Magharibi, Uganda (?)

Subspecies
Genetic study suggests that this species may form a monophyletic clade with Greater Swamp-Warbler (Acrocephalus rufescens), Cape Verde Swamp-Warbler (Acrocephalus brevipennis), Madagascar Swamp-Warbler (Acrocephalus newtoni), Rodrigues Warbler (Acrocephalus rodericanus) and Seychelles Warbler (Acrocephalus sechellensis). These are sometimes considered to comprise a separate genus, Calamocichla.

Proposed subspecies zuluensis (described from KwaZulu-Natal, in South Africa) synonymized with nominate.

The following 8 subspecies are recognised:

neglectus (Alexander, 1908) - Western Chad.
jacksoni (Neumann, 1901) - Southern Sudan south to eastern DRCongo, Uganda and western Kenya.
tsanae (Bannerman, 1937) - North-western Ethiopia (L Tana).
parvus (Fischer, GA & Reichenow, 1884) - Highlands of south-western Ethiopia south to Kenya, northern Tanzania, Rwanda and Burundi.
leptorhynchus (Reichenow, 1879) - Eastern Ethiopia, southern Somalia and south-eastern Kenya south to south-eastern DRCongo, eastern and central Tanzania, south-eastern Zambia, Malawi and northern Zimbabwe.
cunenensis (Hartert, 1903) - South-western Angola and northern Namibia east to northern Botswana, south-western Zambia and western Zimbabwe.
winterbottomi (White, CMN, 1947) - Eastern Angola east to northern and north-western Zambia and south-western Tanzania.
gracilirostris (Hartlaub, 1864) - South-eastern Zimbabwe and southern Mozambique south to southern Namibia and South Africa.

References
See References.

Files:

JPG files for Lesser Swamp-Warbler (Acrocephalus gracilirostris) - 10 files

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BirdLife International

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