Tuesday, August 4, 2009

Love Songs Of Bowhead Whales: Whales Sings With 'More Than One Voice'

Bowhead whale. (Credit: Photo by John Jacobsen, University of Copenhagen)

From Science Daily:

ScienceDaily (Aug. 3, 2009) — It wasn’t that many years ago that the bowhead whale was written off as extinct in the waters around Greenland and especially in Disko Bay in northwest Greenland where University of Copenhagen has its Arctic Field Station.

But now the situation has changed and adult bowhead whales, which can grow up to 18 metres long and weigh 100 tons, have returned to the bay. This is probably because global warming has opened up the Northwest Passage, making it ice free at certain times of the year for the first time in 125,000 years. This gives bowhead whales from the northern Pacific a chance to reach Disko Bay and mate with the small local population.

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