Barn Swallow flying through a window, Spain

adult adults afrasia afro eurasia alone atmosphere barn swallow (hirundo rustica) barn swallows (hirundo rustica) bird birds castile and león castile and león autonomous community construction element construction elements constructions elements continent continental area count counting description descriptions diet pattern diet patterns ec eec entomophagous insect entomophagous insects enumeration enumerations eu eurafrasia eurasia europe european economic community european union flap wings flapping wings flaps wings flight flights flutter fly (to) flying foliage foliages front shot front shots front sight front sights front view front views image and subject in flight individual individuals insectivore (diet) insectivores (diet) iucn iucn red list of threatened species iucn status july landmass landmasses leaf least concern (iucn) lc least concern species leaves living organism living organisms localisation localization location lone lonely low risk (iucn) lr matter (botany) matter (substance) matters (botany) matters (substance) migratory species month of year months of year morphologies morphologies (botany) morphology morphology (botany) motion motions old world one one animal only organism organisms passeriforme and other passeriformes and others recording recordings seasons shoting shotings single societies society solo songbird and other songbirds and others spain species species characteristic species characteristics species particularities species particularity stage of development summer swallow (bird) swallows temperate season temperate seasons texture textures time scale time scales ue uicn wild animal wild animals wild fauna wild faunae window windows wood (material) woods (materials)