hirundo rustica, barn swallow in flight opening its beak to catch insect, side view. - 燕屬 幅插畫檔、美工圖案、卡通及圖標
various birds (passeriformes, columbidae, phasianidae), chromolithograph, published in 1891 - 燕屬 幅插畫檔、美工圖案、卡通及圖標藍孔雀, 雕刻圖像
