Ring-billed Gull

Cornell’s All About Birds

Wilde Lake
January 10, 2016
Photo by Kevin Heffernan

Centennial Park
March 7, 2025
Photo by Howard Patterson

Wilde Lake
March 30, 2015
Photo by Nancy Magnusson

Brighton Dam
November 10, 2025
Photo by Gregg Petersen

Cavey Lane April 12, 2019 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.