swallow house 0n the garden

background building call function house houses java object outside sound swallow swiftlet garden action nest animals architecture art avian background barn barn swallow beautiful bird bird-nest birds black blue building chick closeup common construction cute design environment family fauna feather flight fly flying food green group habitat hirundinidae home house martin hungry isolated low angle view migration nature nestling old ornithology outdoors perspective roof rural saliva sky spring springtime structure summer swallow's swallows travel vintage wall white wild wildlife wing