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Carolina Wren

Thryothorus ludovicianus

Order:
Passeriformes
Family:
Troglodytidae
Sections
  • Authors: Haggerty, Thomas M. and Eugene S. Morton
  • Revisors: Haggerty, Thomas M. and Eugene S. Morton
  • Published: Jan 31, 2014
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Figure 1. Distribution of the Carolina Wren.

This species occurs locally west and north of the mapped range.

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Carolina Wren, Palmyra, NJ, 13 March.

Carolina Wren is distinctive in its mainly eastern US range. Characterized by reddish-brown upperparts, buffy-orange underparts, bold white eyebrow, and long, expressive tail, it is unlikely to be confused with other eastern wrens. The following is a link to this photographer's website: http://www.flickr.com/photos/ps50ace/with/8667345385/.

© Cornell Lab of Ornithology

The Carolina Wren is an energetic, generalist species that frequents homes and gardens, as well as wilder habitats. Found mainly in the eastern United States and Central America, it is most common in the southern US where every patch of woods seems to be inhabited by this nervous, often shy permanent resident. A small bird with rusty upperparts, cinnamon underparts, a distinct white eye-stripe, and a loud and varied repertoire, it is more likely to be heard than seen. Males and females are identical in plumage, but males are often slightly heavier and have longer bills, wings, and legs.

Insects and spiders make up the bulk of this wren's diet. Although they generally feed on or near the ground, foraging individuals sometimes climb trunks and branches like a creeper (Certhia) or nuthatch (Sitta). A strongly philopatric species, the Carolina Wren maintains territories and pair bonds year-round. Both sexes help build the nest, which is usually domed and within 1 or 2 m of the ground. In natural settings, individuals prefer to nest in open cavities, but around homes and gardens they often build in nooks or unused receptacles. Multiple nestings of four to five eggs are common, and three broods are sometimes raised in a season. Males contribute substantially to the care of nestlings and fledglings.

As climate has warmed, this species has expanded northward substantially since the late nineteenth century. Cold winters with ice and snow can have devastating effects on local populations, but the species often recovers within a few years.

Although considerable work has been done on the vocalizations of this bird, research on other aspects of its biology is warranted. Classification of its subspecies needs clarification and a better understanding of its year-round territorial system and long-term monogamous mating system is needed.

Recommended Citation

Haggerty, Thomas M. and Eugene S. Morton. (2014). Carolina Wren (Thryothorus ludovicianus), The Birds of North America (P. G. Rodewald, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/carwre

DOI: 10.2173/bna.188