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 Mountain Bluebird
 Sialia currucoides

 Male & Female
 Yellowstone NP, Wyoming
 June 2004

 by Kent Keller
 ©Kent Keller

 

 There's a nest in the hole in the post
   Mountain Bluebird
   Sialia currucoides		  Male
 Lamar Valley, Wyoming
 June 2007
     

 by Karen Byington
 ©Karen Byington

  

 Mountain Bluebird
 Sialia currucoides

 Male
 Yellowstone NP, Wyoming
 June 2004

 by Kent Keller
 ©Kent Keller

 
   Mountain Bluebird
   Sialia currucoides		  Juvenile
 West La Plata
 Cache County, Utah
 Nest Box Survey, 2004
     

 by Brian Currie
 ©Brian L. Currie