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   Barn Swallow
   Hirundo rustica
 Powell Lake
 Utah County, Utah
 30 June 2018
  
 by Cliff Miles
 ©Cliff Miles
   Barn Swallow
   Hirundo rustica
 Provo Airport dike
 Utah County, Utah
 7 July 2018
  
 by Cliff Miles
 ©Cliff Miles
   Barn Swallow
   Hirundo rustica
 Provo Airport dike
 Utah County, Utah
 7 July 2018
  
 by Cliff Miles
 ©Cliff Miles

The subspecies of Europe has a thicker "necklace" and a much whiter breast and belly

   Barn Swallow
   Hirundo rustica
 Thurnham Hall
 South of Lancaster, England
 15 July 2012
  
 by Kendall Brown
 ©Kendall W. Brown

The subspecies of Europe has a thicker "necklace" and a much whiter breast and belly

   Barn Swallow
   Hirundo rustica
 Thurnham Hall
 South of Lancaster, England
 15 July 2012
  
 by Kendall Brown
 ©Kendall W. Brown
   Barn Swallow
   Hirundo rustica
 Juvenile
 Highland, Utah
 17 Jul 2007
  
 by Ryan Houston
 ©Ryan Houston
   
 Barn Swallow
 Hirundo rustica

 Underpass at Nunn's Park
 Provo Canyon, Utah
 1 Aug 1997

 by Margaret T. Sanchez
 ©Margaret T. Sanchez

   Barn Swallow
   Hirundo rustica
 Juveniles
 Highland, Utah
 June 2008
  
 by Ryan Houston
 ©Ryan Houston