three birds perching on a branch singing, jugendstil, german art nouveau, 1890s, 19th century - 動物呼叫 幅插畫檔、美工圖案、卡通及圖標鳥鳴
capercaillie (tetrao urogallus), male with fanned-out tail feathers and female, side view - 動物呼叫 幅插畫檔、美工圖案、卡通及圖標兩隻動物
