Grey Vireo © pinterest.com

Has been suggested that dark birds with deep black bill from Nachoguero Valley (Baja California) and north-central Durango, in north-western Mexico, might represent a distinct subspecies.


References
See References.


Files:

BirdLife International For more information about the Grey Vireo see... BirdLife International Species Factsheet. Articles about the Grey Vireo If you would like to read any articles about the Grey Vireo... Show Articles (0) No Pictures of Grey Vireo If Birdpedia has no pictures of Grey Vireo or you would like to see more, then try the following...       From BING (4) No Videos of Grey Vireo If Birdpedia has no videos of Grey Vireo or you would like to see more, then try the following..       From BING (0) Where can I observe this species? Select an area (or leave blank) to see locations where this species has been recorded. Area   MEXICO   All    Optional: Complete the following if you wish to restrict the reserve to within a given distance of a location. Please enter the Latitude and Longitiude of a given location together with the maximum distance (km) to display a list of reserves within that distance. You must enter a Latitude, a Longitude and a distance greater than 0.   Latitude: (Decimal degrees takes precedence) Deg Min Sec     Decimal degrees (Include compass setting or value)          N S or   GPS help Longitude: (Decimal degrees takes precedence) Deg Min Sec     Decimal degrees (Include compass setting or value)          E W or   Find GPS using Google Maps Distance Bearing     N NE E SE S SW W NW Get Sample GPS readings On What Field Trips was this species observed? Select an area (or leave blank), and a date range, to see field trips on which this species has been recorded. Area   MEXICO   All    From To     Optional: Complete the following if you wish to restrict the reserve to within a given distance of a location. Please enter the Latitude and Longitiude of a given location together with the maximum distance (km) to display a list of reserves within that distance. You must enter a Latitude, a Longitude and a distance greater than 0.   Latitude: (Decimal degrees takes precedence) Deg Min Sec     Decimal degrees (Include compass setting or value)          N S or   GPS help Longitude: (Decimal degrees takes precedence) Deg Min Sec     Decimal degrees (Include compass setting or value)          E W or Distance Bearing     N NE E SE S SW W NW Get Sample GPS readings Latest Sightings for Grey Vireo Select the Area to restrict the Sightings. Area   MEXICO   All