Thayer's Gull © birdweb.org

Vagrant to Denmark.

A highly controversial and variable taxon, alternatively treated as a subspecies of Herring Gull (Larus argentatus) or of Iceland Gull (Larus glaucoides). Interbreeds with subspecies kumlieni of Iceland Gull (Larus glaucoides) in northern Hudson Bay and eastern Baffin I, prompting some to treat it as a subspecies of Iceland Gull (Larus glaucoides).

Considered by some authors to be a subspecies of Iceland Gull (Larus glaucoides).

No subspecies.


References
See References.


Files:

BirdLife International For more information about the Thayers Gull see... BirdLife International Species Factsheet. Articles about the Thayers Gull If you would like to read any articles about the Thayers Gull... Show Articles (0) No Pictures of Thayers Gull If Birdpedia has no pictures of Thayers Gull or you would like to see more, then try the following...       From BING (2) No Videos of Thayers Gull If Birdpedia has no videos of Thayers Gull 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   HOK HON SHI KYU OCEAN   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   HOK HON SHI KYU OCEAN   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 Thayers Gull Select the Area to restrict the Sightings. Area   HOK HON SHI KYU OCEAN   All