Canadian Goose Association

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

 

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