back to the Gull ID MainPage


second cycle
Great Black-backed Gull
Fig 1) Second cycle bird in summer. May 30, 1998. Plum Island, Massachusetts. Photo courtesy of Don DesJardin.

Fig 2) A more advanced second cycle, possible third cycle bird, on the right. First cycle on the left. May 30, 1998. Plum Island, Massachusetts. Photo courtesy of Don DesJardin.