First primary, emarginate or notched. 

 Duck Hawk, etc. 



First two primaries, emarginate. 

 Swallow-tailed Kite, etc. 



First three primaries, emarginate. 

 Swainsoii's Hawk, etc. 



F irst four primaries, emarginate. 

 Rough- legged Hawk, etc. 



First five primaries, emarginate. 

 Bald Eagle, etc. 



Types of emarginate or "notched" primaries. 



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