: Jun-Aug with records from Northeast Creek, Upper Bass Harbor Marsh, and Schooner Head Marsh. No recent confirmed breeding records but could at any time.
Migrant: late Apr-late May and again late Aug-early Oct with to mid Oct.
Miscellany: In 1968, a male Marsh Wren built multiple ‘dummy' nests in the cattails along the edge of Beaver Dam Pond but no certain female was seen and no eggs or young were found.
Last Updated: June 3rd, 2022