[Jandek] lone whale
brobish at yahoo.com
Wed Jan 5 15:33:15 PST 2005
I read the following and I could not help but to think
Lonely whale's song remains a mystery
Exclusive from New Scientist Print Edition by Jon
A lone whale with a voice unlike any other has been
the Pacific for the past 12 years.
Marine biologist Mary Ann Daher of Woods Hole
Institution in Massachusetts, US, and her colleagues
signals recorded by the US navy’s submarine-tracking
to trace the movements of whales in the north Pacific.
The partially declassified records show that a lone
singing at around 52 hertz has cruised through the
autumn and winter since 1992. Its calls do not match
any known species, although they are clearly those of
whale, a group that includes blue, fin and humpback
Blue whales typically call at frequencies between 15
hertz. They use some higher frequencies, but not 52
Daher says. Fin whales make pulsed sounds at around 20
while humpbacks sing at much higher frequencies. The
of the lone whale do not match the migration patterns
other species, either.
Over the years the calls have deepened slightly,
because the whale has aged, but its voice is still
Daher doubts that the whale belongs to a new species,
no similar call has been found anywhere else, despite
Journal reference: Deep-Sea Research (vol 51, p 1889)
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