portrait of a barn swallow resting on an electric fence calling out loud

abstract abundant adult agricultural animal animalia aves background barbed barn bird black blue building call calling chordata colony eater electric estonia farm farmland fence grip hemisphere hirundinidae hirundo insect insectivore line loud manmade martin meadows metal migrate migratory national nature noise noisy northern out passeriformes passerine pasture quarrel red resting rural rustica southern species stable swallow vocal white widespread wings wire