(Found mainly in Alaska and northern Canada)  

| Males | Females |  
  

  
   Willow Ptarmigan
   Lagopus lagopus
 Female
 Denali, Alaska
 19 Jun 2010
  
 by Margaret Sloan
 İMargaret Sloan
   Willow Ptarmigan
   Lagopus lagopus
 Female
 Kodiak Island, Alaska
 8 Mar 2006
  
 by Dave Menke/USFWS photo
 İPublic Domain