Why Are Killer Whales Suddenly Hunting Humpbacks?

Not for nothing are Orcas called Killer whales, but reports of their hunting the "great" whales (baleen & sperm whales) have been rare, and there is little consensus as to the importance of such predation. But new evidence suggests that Humpback whale calves are a regular snack for the black and white killers. » 12/04/14 1:10am 12/04/14 1:10am