Marsh wren
| Marsh wren | |
|---|---|
| In Canada | |
| Singing in Typha marsh in Minnesota | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Aves | 
| Order: | Passeriformes | 
| Family: | Troglodytidae | 
| Genus: | Cistothorus | 
| Species: | C. palustris | 
| Binomial name | |
| Cistothorus palustris (Wilson, A, 1810) | |
| Distribution map   Breeding   Migration   Resident   Non-breeding | |
| Synonyms | |
| Telmatodytes palustris | |
The marsh wren (Cistothorus palustris) is a small North American songbird of the wren family. It was formerly called the long-billed marsh wren to distinguish it from the sedge wren, then known as the short-billed marsh wren.