Barn Swallow (Hirundo rustica), Big Hollow Recreation Area  
Barn Swallow (Hirundo rustica)  
         
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These barn swallows were perched on a tree branch next to a pond at Big Hollow Recreation Area in Des Moines County, Iowa. The birds had been flying low above the water searching for insects.

Details:  Canon EOS 10D,  shutter 1/250 second, aperture f9.5, ISO 400, Tamron 500 mm zoom lens at 500 mm.