CreatureData

Lesser swamp warbler

Acrocephalus gracilirostris (Hartlaub, 1864)

LCLeast Concernsongbirds

The lesser swamp warbler (Acrocephalus gracilirostris) is a species in the family Acrocephalidae, order Passeriformes. Recorded adults weigh 14.4 g to 16.7 g. Its IUCN Red List status is Least Concern.

Lesser swamp warbler (Acrocephalus gracilirostris)
Photo: JonRichfield · CC BY-SA 3.0 · Wikimedia Commons

Quick facts about the lesser swamp warbler

Weight
14.4 g – 16.7 gsrc for Weight
Length
Not recorded
Lifespan
Not recorded
Diet
Invertivoresrc for Diet
Main food
Not recorded
Habitat
wetlandsrc for Habitat
Young per litter or clutch
2.35 – 2.4src for Young per litter or clutch
Lifestyle
Perchingsrc for Lifestyle
Migration
Sedentarysrc for Migration
Conservation status
Least Concern (IUCN)src for Conservation status
Countries on record
Not recorded

Photos of the lesser swamp warbler

Only freely licensed photos are shown. Each carries its creator and licence.

Lesser swamp warbler (Acrocephalus gracilirostris)
Francesco Veronesi from Italy · CC BY-SA 2.0 · Wikimedia Commons

Where does the lesser swamp warbler live?

Not recorded

What is the lesser swamp warbler?

Quoted from WikipediaCC BY-SA 4.0

The lesser swamp warbler or Cape reed warbler (Acrocephalus gracilirostris) is an Old World warbler in the genus Acrocephalus. It is sparsely present across sub-Saharan Africa, a common species of reedbeds in standing water.

From the Wikipedia article “Lesser swamp warbler” (en.wikipedia.org/w/index.php?title=Lesser_swamp_warbler&oldid=1361660978), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.

Is the lesser swamp warbler endangered?

The lesser swamp warbler is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.

  1. LCLeast Concern
  2. NTNear Threatened
  3. VUVulnerable
  4. ENEndangered
  5. CRCritically Endangered
  6. EWExtinct in the Wild
  7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.

How is the lesser swamp warbler classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAves
  4. orderPasseriformes
  5. familyAcrocephalidae
  6. genusAcrocephalus
  7. SpeciesAcrocephalus gracilirostris (Hartlaub, 1864)

Synonyms Acrocephalus palustris palustris, Calamocichla gracilirostris, Calamoherpe gracilirostris, Motacilla s, Palaeolais palustris

Other names and names in other languages (39)
  • Cape reed warblerEnglish
  • Lesser swamp-warblerEnglish
  • Lesser swamp-warblerEnglish
  • Lesser swamp-warblerEnglish
  • LSWAEnglish
  • Kaapse RietsangerAfrikaans
  • boscarla becfinaCatalan
  • rákosník jižníCzech
  • telor corstir bachWelsh
  • SumpsangerDanish
  • KaprohrsängerGerman
  • Kap-RohrsängerGerman
  • stretbeka kanbirdoEsperanto
  • Carricero picofinoSpanish
  • bantu roolindEstonian
  • afrikanruokokerttunenFinnish
  • rousserolle à bec finFrench
  • Rousserolle des maraisFrench
  • tankokljuni trstenjakCroatian
  • fokföldi nádiposzátaHungarian
  • Cannaiola minoreItalian
  • アシナガヨシキリJapanese
  • kapinė nendrinukėLithuanian
  • ’ртски трскарMacedonian
  • KaffersangerNorwegian Bokmål
  • Kaapse rietzangerDutch
  • dunkjevlesangerNorwegian
  • trzciniak jasnobrewyPolish
  • felosa-pequena-dos-pântanosPortuguese
  • rouxinol-pequeno-dos-pântanosPortuguese
  • Капская камышевкаRussian
  • Капская камышовкаRussian
  • trsteniarik čiernonohýSlovak
  • Kapski trstenjakSerbian
  • mindre sumpsångareSwedish
  • Küçük Bataklık KamışçınıTurkish
  • очеретянка світлоброваUkrainian
  • 細嘴葦鶯Chinese
  • 细嘴苇莺Chinese

Catalogue of LifeWikipediaiNaturalistWikidataWoRMSIUCN Red List

Relatives of the lesser swamp warbler

Other species in the same genus Acrocephalus.

LC, Least Concern
Sedge warbler (Acrocephalus schoenobaenus)

Sedge warbler

Acrocephalus schoenobaenus

Acrocephalidae

LC, Least Concern
Marsh warbler (Acrocephalus palustris)

Marsh warbler

Acrocephalus palustris

Acrocephalidae

CompareLesser swamp warbler vs Great reed warblerLesser swamp warbler vs Common reed warblerLesser swamp warbler vs Sedge warblerLesser swamp warbler vs Aquatic warbler

Common questions

Answered only where our data holds the answer.

How big is the lesser swamp warbler?

An adult lesser swamp warbler weighs 14.4 g – 16.7 g, according to values recorded on Wikidata.

Is the lesser swamp warbler endangered?

The lesser swamp warbler is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.

What kind of animal is the lesser swamp warbler?

The lesser swamp warbler (Acrocephalus gracilirostris) belongs to the family Acrocephalidae in the order Passeriformes.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Lesser swamp warbler (Acrocephalus gracilirostris). Retrieved from https://creaturedata.com/animals/lesser-swamp-warbler

MLA

“Lesser swamp warbler (Acrocephalus gracilirostris).” CreatureData, 2026, https://creaturedata.com/animals/lesser-swamp-warbler.

BibTeX
@misc{lesser_swamp_warbler_2026,
  title = {Lesser swamp warbler (Acrocephalus gracilirostris)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/lesser-swamp-warbler},
  note = {Data as of 2026-11-11}
}