We report the observation of a male Setophaga kirtlandii (Kirtland's Warbler) feeding nestlings in a Setophaga coronata (Yellow-rumped Warbler) nest in Vilas County, WI. To our knowledge, this is the first documented report of interspecific feeding in Kirtland's Warbler, adding to the list of species known to have exhibited this behavior.
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28 February 2022
A Male Kirtland's Warbler Observed Feeding Yellow-Rumped Warbler Nestlings
Carly N. Lapin,
Nicholas M. Anich,
Laura L. Jaskiewicz,
Amber J. DeValk,
Michele P. Woodford
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Northeastern Naturalist
Vol. 29 • No. 1
March 2022
Vol. 29 • No. 1
March 2022