Sources
- National Geographic: Field Guide to the Birds of Eastern North America. 2008, pg 18-19
- Kurki, Kim. National Wildlife Federation's World of Birds. 2014, pg 60-61
- Sayre, April. Honk, Honk, Goose! 2009, pg 30-31
- Loudoun Wildlife Conservation. Birds of Loudoun. 2019, pg 10-11
Images were obtained from Unsplashed, Morguefiles, Adobestock, and Freeimages.