Why Do Whales Sing

In the video “Why do whales sing?”, the speaker mentions that whales sing to communicate with one another. First of all, due to the fact that light and smell do no travel well in the water, most of marine animals rely on sound, which can travel four times faster in water than in the air. Especially, whales communicate by using sound very skillfully as if they sang. According to the video, unlike land mammals, who generate sounds by exhaling air, whales produce sounds by using an organ called “Laryngeal sacs”, by which vibration generated by another organ called “U-fold” is augmented to be loud enough sound which can arrive to thousands of kilometers away. The video claims that significance of whales’ song is its pattern, insisting that the