Marsh Wren: Small wren with lightly barred, warm brown upperparts, black-and-white triangular patch on upper back, and dull white underparts with pale brown sides. Crown is dark and eyebrows are white. Tail is relatively short and dark-barred. Sexes are similar.
Range and Habitat
Marsh Wren: Found throughout much of North America. Breeds from British Columbia, central interior Canada, Manitoba, and Nova Scotia south to Mexico, the Gulf coast, and Florida. Spends winters across the southern tier of states, north to Washington on the west coast and east to New England. Found in a variety of wetland habitats.
Breeding and Nesting
Marsh Wren: Three to ten brown eggs, flecked with dark brown, are laid in a globular nest made of reeds and cattails with a side entrance, lined with feathers and cattail down, and anchored to reeds. Incubation ranges from 12 to 16 days and is carried out by the female.
Foraging and Feeding
Marsh Wren: Eats insects and other invertebrates. Forages on or near the marsh floor, where it gleans food from vegetation and the water surface. Sometimes forages in thickets or shrub patches near marshes.
Apple Slices, Peanut Butter
Marsh Wren: Loud, gurgling song consisting of several introductory notes, a trill of repeated syllables, and usually one to several concluding notes; usually lasts about 1 to 2 seconds with a highest rate of about 20 per minute.
Marsh Wren: Bewick's Wren has an unstreaked back. Sedge Wren has a less distinct stripe behind eye and a streaked crown.