Photos used with permission.

Photo credits:

• Bald Eagle: U.S. Fish & Wildlife Service, Mike Lockhart
• Black Footed Ferret: U.S. Fish & Wildlife Service, Luray Parker
• Siberian Tiger: U.S. Fish & Wildlife Service, John and Karen Hollingworth
• Karner Blue Butterfly: U.S. Fish & Wildlife Service, Ann B. Swengel
• Scenic Photo: U.S. Fish & Wildlife Service, Stefan Dobert
• Oconee Bells: U.S. Fish & Wildlife Service, J. D. Pittilo

These photos are from the U.S. Fish & Wildlife Service National Image Gallery.