Mew Gull Larus (canus) - form uncertain. (Adult winter).
Rachel Farrell has kindly provided a further selection of images taken from the East Bay bike path on January 17th.
Images taken using Nikon Coolpix through Swarovski telescope and appear courtesy of Rachel Farrell.
Ring-billed Gull (left) and Black-headed Gull (right) with 'Mew' Gull in the center. There appears to be a
fairly prominent reddish spot on the gonys of the 'Mew' Gull. Could this be an important feature?