A small wren of marshes. Males build multiple "dummy" nests as part of courtship.

§ Quick facts

SizeBody 10–22 cm (4–8.7 in); wingspan 14–30 cm
Weight9–47 g
LifespanWild 4–8 years
OrderPasseriformes
FamilyTroglodytidae

§ Encyclopedia

The marsh wren 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.

Source: Wikipedia — Marsh wren Licensed under CC BY-SA 4.0

§ Identification

Field marks. Small rusty wren with a black-and-white streaked upper back, a bold white eyebrow, and a cocked tail; warm buffy flanks.

Similar species. Sedge Wren is buffier with a streaked crown and a fainter eyebrow and prefers wet meadows; Marsh Wren has a bold eyebrow and lives in tall cattails.

Voice. A rapid, gurgling, mechanical rattle of liquid and buzzy notes; harsh 'tsuk' call.

§ Diet & behavior

Diet. Insects and spiders gleaned from vegetation.

Behavior. A secretive wren of cattail and bulrush marshes; males build many dummy nests and sing day and night, often puncturing the eggs of neighboring marsh birds.

§ Range

Across North America

§ Habitat

Marshes, wetlands

§ Threats

Wetland loss.

§ Conservation status

According to the IUCN Red List, the marsh wren is currently classified as Least Concern.

§ What helps

Support wetland conservation.

Support our work More ways to help

§ Further reading

§ Sources cited

  • Cornell Lab of Ornithology — All About Birds
  • National Audubon Society
  • iNaturalist
  • IUCN Red List