Female American Redstart, Setophaga ruticilla, Reuses Red-Eyed Vireo, Vireo olivaceus, Nest

摘要

Interspecific nest reuse is uncommon in open-cup nesting birds, but has been reported several times in the American Red-start (Setophaga ruticilla). Individuals might reuse nests if appropriate nesting sites are limited or in order to conserve time and energy. Here I descnbe an instance of nest reuse by a female American Redstart of a Red-Eyed Vireo (Vireo olivaceus) nest after two previous failed nesting attempts. I argue that Redstarts might be more likely to reuse other species' nests dur-ing late-season nesting attempts.