No differences in plumage between males and females
Juveniles look like adults but lack the boldly patterned back
Marsh Wrens inhabit a variety of marshy areas especially when dense reeds are present
Factoids:
Wing span is about the same length as a $1 dollar bill & weighs about as much as 2 quarters ($0.50)
Eastern and Western populations show slight variations in both appearance and song. These differences may mean that they are actually different species
Marsh Wren populations are declinning in the Eastern portion of their range but Increasing in the Western portion