Thayer's Gull Larus glaucoides (Brooks, 1915) thayeri  Synonyms: THGU.
Kingdom Animalia   >   Phylum Chordata   >   Class Aves   >   Order Charadriiformes   >   Family Laridae   >   Genus Larus   

Status:

American Ornithological Society lumped Thayer's Gull as a subspecies of Iceland Gull in 2017.

There are 26 records in the project database.

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An adult Thayer's Gull in Maryland waters (2/11/2012). Photo by Mikey Lutmerding. (MBP list)

An adult Thayer's Gull in Maryland waters (2/11/2012). Photo by Mikey Lutmerding. (MBP list)

An adult Thayer's Gull in Maryland waters (2/11/2012). Photo by Mikey Lutmerding. (MBP list)

Thayer's Gull that has been hanging out at the Salisbury Landfill, Wicomico Co., Maryland since at least 23 November 2008, these photos show just how much wear and fading can occur over the course of a couple of months. This individual is readily identified by its adventitious (lost and replaced earlier than usual) primary feather number 8 on the right side. Photo by Mikey Lutmerding. (MBP list)

A Thayer's Gull (left) and a Herring Gull at Ocean City Inlet in Worcester Co., Maryland (4/4/2014). Found by Tom Johnson. Photo by Mike Burchett. (MBP list)

A Thayer's Gull at the Ocean City Inlet in Worcester Co., Maryland (4/4/2014). Found by Tom Johnson. Photo by Mike Burchett. (MBP list)

A first-cycle Thayer's Gull offshore Worcester Co., Maryland (5/5/1977). Maryland's first record. Photo by Jim Orgain. (MBP list)


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