Double-crested Cormorant

Cornell’s All About Birds

Lake Kittamaqundi
April 2, 2014
Photo by Clayton Koonce

Mount Pleasant
June 4, 2012
Photo by Nancy Magnusson

Centennial Park
August 29, 2016
Photo by Richard Orr

Centennial Park
October 23, 2018
Photo by Annette Allor

Wilde Lake
June 22, 2022
Photo by Howard Patterson

Compare Anhinga and Double-crested Cormorant

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.