Thayer’s Type Gull, March 27, 2013

Thayer’s type Gull. Photo by Lou Munoz. (click to see the larger version)

Lou Munoz photographed the first year Thayer’s type Gull at Montrose Beach this morning. The bird is either a worn Thayer’s Gull or a dark Kumlien’s Gull. The line between these 2 species is sometimes fine and not all birds can be positively identified.