Bahamas, Belize, Bermuda, Canada, Cayman Islands, Colombia, Costa Rica, Cuba, El Salvador, Guatemala, Honduras, Mexico, Netherlands Antilles, Nicaragua, Panama, St Pierre and Miquelon (B) (P), Turks and Caicos Islands, USA (B).
Vagrant to Antigua And Barbuda, Jamaica, United Kingdom.
Breeds southern Canada (from Alberta and extreme eastern British Columbia east to south-eastern Quebec and New Brunswick, possibly also Nova Scotia), southern in northern USA to northern North Dakota, northern Minnesota, northern Michigan, northern New York and Maine. Migrates to Central America (extreme southern Mexico, in Chiapas and Yucatán, south to central Panama).
Population
Estimated population is 4,000,000 (2010).
Philadelphia Vireo (Vireo philadelphicus) [XC179047]
by Ian Cruickshank from Ithaca, Tompkins County, New York, United States (song)
Philadelphia Vireo (Vireo philadelphicus) [XC189425]
by Andrew Spencer from Pink Mountain Road, British Columbia, Canada (song)
Subspecies
No subspecies.
Sometimes placed in a separate genus, Melodivireo. Most closely related to Warbling Vireo (Vireo gilvus). One report of hybridization with Red-eyed Vireo (Vireo olivaceus) in south-eastern Canada (Quebec).
BirdLife International Species Factsheet