
Relaxing Music: "Whale And Birds"
The songs of the whales change with the seasons and the time of day. Some one-note calls seem to occur more frequently when whales return from deep dives. According to scientists, these can help in the creation of peer bonds. As with birds, which usually begin to make sounds as the day comes to an end, male blue whales also often sing at the end of the day. In the case of birds, such as nightingales and European robins, the song is frequently adjusted as a way of energy conservation, and energy may also be a factor for blue whales. But unlike birds, the song of blue whales spreads over tens of kilometers or even 100 kilometers.
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