| Males | Females |    
  

 
   Ring-necked Duck
   Aythya collaris		  Female
 Phoenix, Arizona
 31 Dec 2007
   		 by Kendall Brown
 İKendall Brown

 
   Ring-necked Duck
   Aythya collaris		  Female
 Tonaquint Nature Center
 St. George, Utah
 26 Jan 2005
   		 by Cheryl Peterson                       
 İCheryl Peterson

  

 Ring-necked Duck
 Aythya collaris

 Female
 Washington Co.
 Utah
 January 2007

 by Tim Avery
 İTim Avery

 
   Ring-necked Duck
   Aythya collaris		  Males & Females
 Kaysville Pond
 Kaysville, Utah
 1 Jan 2005
   		 by Ted Steinke
 İTed Steinke

   

 Ring-necked Duck
 Aythya collaris

 Male & Female
 South Airport Dike
 Provo, Utah
 12 Mar 1998

 by Margaret T. Sanchez
 İMargaret T. Sanchez