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Spectrogram of Bowhead Whale sounds.

Spectrogram of Bowhead Whale sounds.
Spectrogram of Bowhead Whale sounds.
Spectrogram of Bowhead Whale sounds.
Spectrogram of Bowhead Whale sounds.
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197406
Esch, Carter
Spectrogram of Bowhead Whale sounds.
Illustration
12/29/2011
bowhead_song.jpg
Caption from Oceanus magazine, Vol. 49, No. 1 page 8:
It is impossible to keep track of whales visually throughout the year in seasonally ice-covered polar regions. So scientists eavesdrop on bowhead whale calls using moorings with hydrophones that record their singing. Bowhead whales sing to attract mates, but their song changes throughout the season and is never identical from year to year. Scientists are studying how changes are introduced to the song and how the whales adopt these changes and end up singing the same tune.
Spectrogram courtesy of Carter Esch
© Woods Hole Oceanographic Institution
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