A photo of an Arctic Tern mid-flight.
National Parks Service
Conger, Ken. "Critical Connections: Conserving Migratory Birds in Alaska’s National Parks." National Parks Service, 2015.
Ken Conger, “Arctic Tern,” UVic Libraries Omeka Classic, accessed January 17, 2020, http://omeka.library.uvic.ca/items/show/1778.
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