Intra-Summer Movement and Probable Dual Breeding of the Eastern Marsh Wren (Cistothorus p. palustris); a Cistothorus Ancestral Trait?

Mark B. Robbins

doi:10.1676/14-140.1

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Mark B. Robbins^1,*

¹1 Division of Birds, University of Kansas Biodiversity Institute, 1345 Jayhawk Boulevard, Lawrence,

^*Corresponding author; e-mail: mbrobbins@ku.edu

Abstract

Midwest breeding populations of the eastern North American Marsh Wren (Cistothorus p. palustris) perform intra-summer movements presumably to breed at two different locations during the same summer. It appears that birds that initially breed during May-June move south to breed again during mid-July through August. Because this unique behavior is shared with its closest living relative, the North American Sedge Wren (C. platensis stellaris), it may be an ancestral trait of Cistothorus.

Citation Download Citation

Mark B. Robbins "Intra-Summer Movement and Probable Dual Breeding of the Eastern Marsh Wren (Cistothorus p. palustris); a Cistothorus Ancestral Trait?," The Wilson Journal of Ornithology 127(3), 494-498, (1 September 2015). https://doi.org/10.1676/14-140.1

Received: 19 September 2014; Accepted: 1 February 2015; Published: 1 September 2015

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