Blue-headed Vireo

Cornell’s All About Birds

West Friendship Park
September 20, 2012
Photo by Jeff Culler

Crest Lawn Cemetary
October 13, 2020
Photo by Jeff Culler

Ellicott City
October 20, 2012
Photo by Kathy Litzinger

Mount Pleasant
October 28, 2017
Photo by Kevin Heffernan

November 2, 2025
Howard County
Photo by Bonnie Ott

Waterford Farm April 19, 2023 Gregg Petersen

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.