![]() ![]() There are seven recognized subspecies of the Carolina wren: The Carolina wren is now the only species within this genus. Thryothorus used to be the largest genus in the family Troglodytidae, with 27 species, but molecular phylogenetic studies revealed that it represented a polyphyletic assemblage of at least four independent clades now recognized at the genus level. Some populations have been affected by mercury contamination. Carolina wrens raise multiple broods during the summer breeding season, but can fall victim to brood parasitism by brown-headed cowbirds, among other species. Both males and females give out alarm calls, but only males sing to advertise territory. After finding a mate, pairs maintain a territory and stay together for several years. When out in the open, they investigate their surroundings and are rarely stationary. The birds are generally inconspicuous, avoiding the open for extended periods of time. There are seven recognized subspecies across the range of these wrens and they differ slightly in song and appearance. ![]() This wren is the state bird of South Carolina. Their preferred habitat is in dense cover in forest, farm edges and suburban areas. Severe winters restrict the northern limits of their range while favorable weather conditions lead to a northward extension of their breeding range. The Carolina wren ( Thryothorus ludovicianus) is a common species of wren that is a resident in the eastern half of the United States of America, the extreme south of Ontario, Canada, and the extreme northeast of Mexico. ![]()
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