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1 September 2016 A previously undocumented hybrid New World Warbler (Setophaga pensylvanica x S. magnolia) captured at Long Point, Ontario
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Abstract

New World Warblers represent a complex and closely related family, with a high propensity to hybridize. With more than 73 known hybrid pairings of Parulidae documented, we report a previously undocumented hybrid: a Chestnut-sided (Setophaga pensylvanica) × Magnolia Warbler (S. magnolia). The parentage of the hybrid individual and its identity are supported by morphological and genetic evidence. DNA sequencing of a fragment of cytochrome oxidase c subunit I (COI) supports the female parent as Chestnut-sided, while strong morphological features support Magnolia Warbler as the father.

Kenneth G. D. Burrell, Jeffrey H. Skevington, Scott Kelso, Mike V. A. Burrell, Dayna L. Leclair, and Stuart A. Mackenzie "A previously undocumented hybrid New World Warbler (Setophaga pensylvanica x S. magnolia) captured at Long Point, Ontario," The Wilson Journal of Ornithology 128(3), 624-628, (1 September 2016). https://doi.org/10.1676/1559-4491-128.3.624
Received: 24 September 2015; Accepted: 1 January 2016; Published: 1 September 2016
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