Grass wren
Cistothorus platensis (Latham, 1790)
The grass wren (Cistothorus platensis) is a species in the family Troglodytidae, order Passeriformes. Recorded adults weigh 7.7 g to 9.04 g. Its IUCN Red List status is Least Concern.
Quick facts about the grass wren
- Weight
- 7.7 g – 9.04 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Invertivoresrc for Diet
- Main food
- Not recorded
- Habitat
- grasslandsrc for Habitat
- Egg incubation
- 13.5 dayssrc for Egg incubation
- Young per litter or clutch
- 6.5 – 7src for Young per litter or clutch
- Litters or clutches a year
- 2src for Litters or clutches a year
- Lifestyle
- Perchingsrc for Lifestyle
- Migration
- Partialsrc for Migration
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the grass wren live?
Not recorded
What is the grass wren?
The grass wren (Cistothorus platensis) is a species of passerine bird in the family Troglodytidae. It is widely distributed in central and southern America.
From the Wikipedia article “Grass wren” (en.wikipedia.org/w/index.php?title=Grass_wren&oldid=1379919789), 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 grass wren endangered?
The grass wren is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- 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 Least Concern species.
How is the grass wren classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderPasseriformes
- familyTroglodytidae
- genusCistothorus
- SpeciesCistothorus platensis (Latham, 1790)
Synonyms Sylvia platensis
Other names and names in other languages (50)
- Sedge wrenEnglish
- cargolet de planuraCatalan
- střízlík ostřicovýCzech
- dryw’r hesgWelsh
- Kortnæbbet GræssmutteDanish
- GraszaunkönigGerman
- PampazaunkönigGerman
- SeggenzaunkönigGerman
- HerbotrogloditoEsperanto
- Mallongbeka cistotoroEsperanto
- pampa trogloditoEsperanto
- Chivirín sabaneroSpanish
- Chercán de las vegasSpanish
- Colchonero sabaneroSpanish
- Cucarachero de CiénagaSpanish
- Cucarachero paramunoSpanish
- Cucarachero sabaneroSpanish
- Ratona aperdizadaSpanish
- Ratona de CiénagaSpanish
- Ratonera aperdizadaSpanish
- Saltapared SabaneroSpanish
- Soterrey SabaneroSpanish
- Soterrey Sabanero (Guachipelín)Spanish
- sarapeukaloinenFinnish
- Troglodyte de LathamFrench
- troglodyte à bec courtFrench
- Masakaraguai esteroGuarani
- livadni palčićCroatian
- Scricciolo pagliaroloItalian
- コバシヌマミソサザイJapanese
- pievinė trumpasnapė karietaitėLithuanian
- grīšļu ceplītisLatvian
- sivsmettNorwegian Bokmål
- GraswinterkoningDutch
- ZeggewinterkoningDutch
- engsmettNorwegian
- strzyżyk nadrzecznyPolish
- carriça-do-campoPortuguese
- corruíra-do-campoPortuguese
- Травяной крапивникRussian
- Травяной короткоклювый крапивникRussian
- oriešok bahennýSlovak
- Carić tršćarSerbian
- gräsgärdsmygSwedish
- StarrgärdsmygSwedish
- Saz çit kuşuTurkish
- Otlak ÇıtkuşuTurkish
- овад річковийUkrainian
- 短嘴沼泽鹪鹩Chinese
- 短嘴沼澤鷦鷯Chinese
Relatives of the grass wren
Other species in the same genus Cistothorus.
Marsh wren
Cistothorus palustris
Apolinar's wren
Cistothorus apolinari
Mérida wren
Cistothorus meridae
CompareGrass wren vs Marsh wrenGrass wren vs Apolinar's wrenGrass wren vs Mérida wren
Common questions
Answered only where our data holds the answer.
How big is the grass wren?
An adult grass wren weighs 7.7 g – 9.04 g, according to values recorded on Wikidata.
Is the grass wren endangered?
The grass wren 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 grass wren?
The grass wren (Cistothorus platensis) belongs to the family Troglodytidae 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). Grass wren (Cistothorus platensis). Retrieved from https://creaturedata.com/animals/grass-wren
“Grass wren (Cistothorus platensis).” CreatureData, 2026, https://creaturedata.com/animals/grass-wren.
@misc{grass_wren_2026,
title = {Grass wren (Cistothorus platensis)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/grass-wren},
note = {Data as of 2026-11-11}
}