Marsh Wren

Cistothorus palustris

IUCN: Least Concern

Taxonomy

Order
Passeriformes
Family
Troglodytidae
Genus
Cistothorus
eBird Code
marwre

Subspecies (15)

  • Cistothorus palustris aestuarinus

    coastal central Oregon to southern California (Ventura County), the Central Valley, and desert marshes of southern California, southern Nevada, and southwestern Arizona

  • Cistothorus palustris browningi

    coastal marshes of southwestern British Columbia to central Washington

  • Cistothorus palustris clarkae

    coastal southern California (Los Angeles County to San Diego County, inland to western Riverside County)

  • Cistothorus palustris deserticola

    southeastern California (southwestern USA)

  • Cistothorus palustris dissaeptus

    breeds south-central Canada to north-central and northeastern USA; winters to northeastern Mexico

  • Cistothorus palustris griseus

    coastal marshes of northeastern South Carolina to east-central Florida

  • Cistothorus palustris iliacus

    breeds south-central Canada to central USA; winters to Gulf Coast

  • Cistothorus palustris laingi

    breeds west-central Canada to Montana; winters to southern Mexico

  • Cistothorus palustris marianae

    coastal marshes of far eastern Texas to southwestern Florida

  • Cistothorus palustris paludicola

    southwestern Washington to northwestern Oregon

  • Cistothorus palustris palustris

    coastal marshes of New England to Virginia

  • Cistothorus palustris plesius

    breeds southeastern Idaho to Colorado and New Mexico; winters to central Mexico

  • Cistothorus palustris pulverius

    central British Columbia and Idaho to northeastern and eastern California (east of the Sierra Nevada to northern Inyo County) and adjacent western Nevada

  • Cistothorus palustris tolucensis

    central Mexico (Río Lerma marshes to Hidalgo and western Puebla)

  • Cistothorus palustris waynei

    coastal marshes of southern Virginia to North Carolina

Data Sources

Taxonomy data from AviList 2025.