By Michael Ricciardi •
January 24, 2010
Over the past several years, the world’s blue whales have begun singing a different tune, of sorts; the frequency range of their songs has gotten significantly lower. And, this is happening, “in concert” all over the world–where ever these massive cetacea migrate, feed, congregate and mate.
The break up of the Arctic ice sheet–now at record levels –might make an Arctic crossing much easier for a small group of previously untracked Right Whales. And that’s the problem. The Arctic ice-sheet break up is making the “Northwest Passage” across the Pole much easier for everyone–including commercial fishing ships. If this newly discovered group of whales decides to take this short cut (heading south for the Winter), scientists fear, they could swim headlong into the newly opened shipping [...]