Lesser Black-backed Gull

Cornell’s All About Birds

First Cycle

Feb 4, 2013
Nancy Magnusson

Feb 4, 2013
Nancy Magnusson

Feb 4, 2013
Nancy Magnusson

Feb 6, 2013
Kurt Schwarz

Third Cycle

2nd bird
Feb 4, 2013
Howard Patterson

2nd bird
Feb 4, 2013
David Cummings

2nd bird
Feb 4, 2013
Kurt Schwarz

2nd bird
Feb 4, 2013
David Cummings

3rd bird
Feb 5, 2013
Russ Ruffing

While not necessary for common species, it is good to get into the habit of including photographs and recordings/spectrographs so that you do it for uncommon species that require more documentation.