Close-up of Barn Swallow Bird Picks Up Dried Grass Switch or Straw With Beak and Flies Away in Slow Motion

barn swallow one closeup barn swallow nest building material pick flies fly away slow motion soil hill dried twig switch long switch straw barn swallows hirundo rustica swallows gather behavior ground dry branches beak rods brushwood small twigs thin spring nest wildlife nesting carrying tiny little wild collecting martin action building nest flying stick collect stem grass