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New World Warblers (Parulidae)

Kentucky Warbler (Oporornis formosus) - HBW 15, p. 767

French: Paruline du Kentucky German: Kentuckywaldsänger Spanish: Reinita de Kentucky
Other common names: Cincinnati Warbler (hybrid with Vermivora cyanoptera)

Taxonomy: Sylvia formosa A. Wilson, 1811, Kentucky, USA.
Genus sometimes subsumed in Geothlypis. This species is very similar, both in plumage and, according to one study, genetically, to Geothlypis semiflava and possibly forms a link between the two genera. Has hybridized with Vermivora cyanoptera (hybrid originally described as a new species, Helminthophaga cincinnatiensis); one of the two specimens of this pairing originally thought to have involved O. philadelphia, rather than present species. Recent record of hybridization with O. philadelphia. Birds in N of breeding range described as race umbratic.. View all taxonomy...

Taxonomy: Sylvia formosa A. Wilson, 1811, Kentucky, USA.
Genus sometimes subsumed in Geothlypis. This species is very similar, both in plumage and, according to one study, genetically, to Geothlypis semiflava and possibly forms a link between the two genera. Has hybridized with Vermivora cyanoptera (hybrid originally described as a new species, Helminthophaga cincinnatiensis); one of the two specimens of this pairing originally thought to have involved O. philadelphia, rather than present species. Recent record of hybridization with O. philadelphia. Birds in N of breeding range described as race umbraticus, apparently paler yellow below and more yellowish-olive on upperparts, but inadequately differentiated from birds in rest of species' range. Treated as monotypic.

Distribution: Breeds in E USA from S Wisconsin, SE Minnesota, E Kansas and E Texas E to New Jersey, S to C Louisiana, NW Florida and E Georgia. Migrates to wintering grounds from E & S Mexico S to Panama, also irregularly in adjacent N Colombia and N Venezuela.

Sounds

1 recording
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