Rapid Arctic warming drives shifts in marine mammals

New hydrophone surveys of migration gateways to the Arctic show that recent extremes in sea ice loss has opened new waters to humpback and fin whales that once ranged through the far north only in summer. And as climate change drives the ice into further retreat, such 'summer' species may begin competing with bowhead whales that once had the habitat to themselves.

from Oceanography News -- ScienceDaily http://ift.tt/1P36jeU
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