(Found mainly from North Dakota to Oklahoma)  

  
   Greater Prairie-Chicken
   Timpanuchus cupido
 Male
 Desoto NWR, Iowa
 8 Mar 2006
  
 by David Menke/USFWS photo
 ŠPublic Domain
  

 Greater Prairie-Chicken
 
Timpanuchus cupido
     attwateri

 Male
 Atwater's subspecies
 Texas
 18 Apr 2008

 USFWS photo
 ŠPublic Domain