OTHER NAMES: N/A
Latin Etymology: Vireo (Latin: an unidentified small green bird) gilvus ("pale yellow")
Adult Warbling Vireo (subspecies V. g. swainsonii) at Berkeley, California - August 2022
Featured Subspecies: Vireo gilvus swainsonii
Weight: 10-16g / Length: 12-13cm / Wingspan: 22cm
NO UK STATUS/ IUCN Red List: Least Concern
Warbling Vireo has a very old world warbler sort of vibe as it flits through the trees - a small insectivorous species with drab browns and creams. In this case however, the vireos and an unrelated New World family, of which the Warbling is one of the more widely distributed. Some authorities have suggested that this may be a potential future split, with differing populations either side of the Rockies perhaps worth considering to escalate to full species status.
Related Species:
Order: Passeriformes
Family: Vireonidae
Genus: Vireo
SUBSPECIES: V. g. gilvus, V. g. swainsoii, V. g. victoriae, V. g. brewsteri, V. g. symptatricus
- Sighting Locations -
A widespread breeding migrant throughout much of the Lower 48
- CALIFORNIA 2022 TRIP: Seen at Berkeley
Further Notes: BirdForum Opus, IUCN Red List, RSPB, Wikipedia, Xeno-canto
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