Pectoral Sandpiper

Cornell’s All About Birds

Browns Bridge
July 21, 2012
Photo by Howard Patterson

UMDCF
April 15, 2012
Photo by Bonnie Ott

Western Regional Park
July 23, 2011
Photo by Russ Ruffing

Triadelphia Reservoir
August 30, 2015
Photo by Russ Ruffing

UMDCF
April 15, 2012
Photo by Bonnie Ott

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.