New World Warblers (Parulidae)

Blue-winged Warbler (Vermivora cyanoptera) - HBW 15, p. 739

French: Paruline à ailes bleues German: Blauflügel-Waldsänger Spanish: Reinita Aliazul
Other common names: Brewster's Warbler, Lawrence's Warbler (hybrids with V. chrysoptera); Cincinnati Warbler (hybrid with Oporornis formosus)

Taxonomy: Certhia cyanoptera Olson and Reveal, 2009, Philadelphia, Pennsylvania, USA.
Recent studies of mitochondrial DNA indicate that this species and V. chrysoptera form a clade, separate from the other species currently placed in genus; a recent study indicates that Protonotaria citrea and Limnothlypis swainsonii may also be genetically close to this species pair. Hybridizes regularly with V. chrysoptera where breeding ranges overlap. Has hybridized also with Oporornis formosus (hybrid originally described as a new species, Helminthophaga cincinnatiensis; one of the two specimens of this pairing originally thought to have involved .. View all taxonomy...

Taxonomy: Certhia cyanoptera Olson and Reveal, 2009, Philadelphia, Pennsylvania, USA.
Recent studies of mitochondrial DNA indicate that this species and V. chrysoptera form a clade, separate from the other species currently placed in genus; a recent study indicates that Protonotaria citrea and Limnothlypis swainsonii may also be genetically close to this species pair. Hybridizes regularly with V. chrysoptera where breeding ranges overlap. Has hybridized also with Oporornis formosus (hybrid originally described as a new species, Helminthophaga cincinnatiensis; one of the two specimens of this pairing originally thought to have involved Oporornis philadelphia), and possibly with V. ruficapilla. Until recently, species known as V. pinus (see page 675). Monotypic.

Distribution: Breeds in CE North America, from S Wisconsin, S Michigan and New York S to E Missouri, S Appalachians, West Virginia and Pennsylvania; migrates to region from SE Mexico S to Costa Rica, occasionally to Panama.

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