Saipan reed warbler
Acrocephalus hiwae (Yamashina, 1942)
The saipan reed warbler (Acrocephalus hiwae) is a species in the family Acrocephalidae, order Passeriformes. Recorded adults weigh 32.2 g to 36.5 g. Its IUCN Red List status is Endangered.
Quick facts about the saipan reed warbler
- Weight
- 32.2 g – 36.5 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
- 3src for Young per litter or clutch
- Lifestyle
- Terrestrialsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Endangered (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the saipan reed warbler live?
Not recorded
What is the saipan reed warbler?
The Saipan reed warbler (Acrocephalus hiwae) , known as gå'ga' karisu in Chamorro, is a species of oscine passerine bird belonging to the family Acrocephalidae, the reed and tree warblers. This endangered species is endemic to the U. S. territory of the Northern Mariana Islands.
From the Wikipedia article “Saipan reed warbler” (en.wikipedia.org/w/index.php?title=Saipan_reed_warbler&oldid=1384527205), 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 saipan reed warbler endangered?
The saipan reed warbler is listed as Endangered on the IUCN Red List: it faces a very high risk of extinction in the wild.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Endangered species. What the categories mean.
How is the saipan reed warbler classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderPasseriformes
- familyAcrocephalidae
- genusAcrocephalus
- SpeciesAcrocephalus hiwae (Yamashina, 1942)
Synonyms Acrocephalus luscinius hiwae, Conopoderas luscinia hivae
Other names and names in other languages (27)
- Saipan reed-warblerEnglish
- Gå'ga' karisuChamorro
- Hiwai´-sangerDanish
- Saipan RørsangerDanish
- MarianenrohrsängerGerman
- saipana kanbirdoEsperanto
- Carricero de SaipánSpanish
- saipaninkerttunenFinnish
- Rousserolle de SaipanFrench
- Rousserolle de SaïpanFrench
- dugokljuni trstenjakCroatian
- Saipan-szigeti nádiposzátaHungarian
- サイパンヨシキリJapanese
- Eʼeʼaahjí Tónteeldę́ę́ʼ teełtah ayááshNavajo
- SaipankarekietDutch
- saipansangerNorwegian
- trzciniak wielkodziobyPolish
- felosa-de-saipãPortuguese
- felosa-de-saipanPortuguese
- Сайпанская камышевкаRussian
- Сайпанская камышовкаRussian
- trsteniarik saipanskýSlovak
- saipansångareSwedish
- Guam KamışçınıTurkish
- очеретянка саїпанськаUkrainian
- 塞班苇莺Chinese
- 塞班島葦鶯Chinese
Relatives of the saipan reed warbler
Other species in the same genus Acrocephalus.
Great reed warbler
Acrocephalus arundinaceus
Common reed warbler
Acrocephalus scirpaceus
Sedge warbler
Acrocephalus schoenobaenus
Aquatic warbler
Acrocephalus paludicola
Marsh warbler
Acrocephalus palustris
Blyth's reed warbler
Acrocephalus dumetorum
CompareSaipan reed warbler vs Great reed warblerSaipan reed warbler vs Common reed warblerSaipan reed warbler vs Sedge warblerSaipan reed warbler vs Aquatic warbler
Common questions
Answered only where our data holds the answer.
How big is the saipan reed warbler?
An adult saipan reed warbler weighs 32.2 g – 36.5 g, according to values recorded on Wikidata.
Is the saipan reed warbler endangered?
The saipan reed warbler is listed as Endangered on the IUCN Red List, meaning it faces a very high risk of extinction in the wild.
What kind of animal is the saipan reed warbler?
The saipan reed warbler (Acrocephalus hiwae) 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.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Saipan reed warbler (Acrocephalus hiwae). Retrieved from https://creaturedata.com/animals/saipan-reed-warbler
“Saipan reed warbler (Acrocephalus hiwae).” CreatureData, 2026, https://creaturedata.com/animals/saipan-reed-warbler.
@misc{saipan_reed_warbler_2026,
title = {Saipan reed warbler (Acrocephalus hiwae)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/saipan-reed-warbler},
note = {Data as of 2026-11-11}
}