Notes:

• Resident in parts of Mountain West and U.S. East Coast, summers in areas of northern U.S. and Canadian prairies, Winters in Gulf Coast, Southwest U.S., and Mexico.
• Almost always seen climbing about through reeds at edge of water.
• Highly competitive for nest sites; destroys eggs of other birds, including other marsh wrens.

ID Tips:

• Small, dark wren with pale underparts and white brow.
• Similar to the Sedge Wren, which is found crawling through grasses in marshes, but not in flooded areas or right at the edge of water.
• Often heard in wetlands; burbling, un-musical songs.

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