barn swallow (hirundo rustica) at the nest with young birds in a cowshed, lower austria, austria - 燕屬 幅插畫檔、美工圖案、卡通及圖標
wildlife, birds, the barn swallow (hirundo rustica) , vintage illustration, 19th century - 燕屬 幅插畫檔、美工圖案、卡通及圖標動物
