Northern Rough-winged Swallow

Cornell’s All About Birds

April 17, 2014
Centennial Park
Photo by Bonnie Ott

Meadowbrook Park
June 13, 2014
Photo by Russ Ruffing

Lake Elkhorn
March 30, 2012
Photo by Harry Fink

Nest on Patapsco River
April 25, 2012
Photo by Nancy Magnusson

Nest on Patapsco River
May 3, 2023
Photo by Jim Wilkinson

Patuxent Branch Trail April 6, 2024 Lauren Crocker

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.