The lower lobe of the deeply forked caudal fin is longer than the upper lobe. 尾鰭深叉型,下葉比上葉長。
A closer view of the lobar pneumonia demonstrates the distinct difference between the upper lobe and the consolidated lower lobe. 大葉性肺炎近距離觀顯示了肺上葉和發生實變的肺下葉之間的差別。