Barn swallow (Hirundo rustica) Young birds open their beaks, North Rhine-Westphalia, Germany, Europe

animals in the wild animals animal aves barn swallows barn swallow beaks beak bill bird photography birds bird breedin brood central europe cub deserted empty europe fauna fledglings fledgling german federal republic germany habitat hirundinidae hirundo rustica juvenile bird juveniles juvenile middle europe natural environments natural environment natural habitat nobody no one no people nordrhein westfalen north rhine westphalia nrw offspring oscine passeriformes passerines passerine passeri pup songbirds songbird suckling swallows swallow swallow uninhabited wild animals wild animal wildlife photography wildlife young animals young animal young bird young yuvenile