Experts say humpbacks has two types of sound,
the songs are performed by males only and may change the pattern
During the sightings of humpback whales in Puerto Vallarta, Jalisco, some ships have special equipment to hear the sounds made underwater whales.
"Sing a song and end where they begin again and sing the same song over and over again. And come back next year to come, will sing the same song, with some variation is possible," said Roberto Moncada Institute of Technology Banderas Bay.
According to experts, the songs are performed by males only and may change the pattern of sounds. Also they do with the head facing the sea.
"The song lasts 15 to 20 minutes c ach year change a verse and they all know the same song, but they were never together. Then as they know all the same song. To me one of the big questions is who is the male says: This is the new phrase this season and all agree, "said Astrid Frisch Jordan Whale Conservation Ecology and AC
The singing of humpback whales are one of the great mysteries to marine biologists. However, they have been able to decipher some of its features.
"And cetaceans have two types of sounds. Clicks that are eco-located and whistles or moans that are manifesting certain moods,"
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