tree swallows wallpaperProviderpixabayResolution6536 × 4040Aspect ratio1.62:1AuthorterskiSourceOpen original page Download wallpaper Available sizesPreview150 × 93Web640 × 396Large6536 × 4040Tagstree swallowsswallowsbirdsiridescent feathersornithologyanimalsnaturemigratory birdswildlife