Killer whale attacks on gray whales up in California bay; Biologist, "an unprecedented killing spree"

Killer whales are on an unprecedented killing spree in California’s Monterey Bay, attacking and feeding on gray whale calves, a marine biologist said. Since April 20, orcas have killed four gray whale calves in eight days, Nancy Black said Friday. Black, who co-owns Monterey Bay Whale Watch, says a family of nine killer whales has taken part in all of the attacks, but the first killing involved 33 orcas. She noted the orcas in the latest attacks also killed with unusual speed. A Wednesday attack took just 20 minutes, compared with the several hours it usually takes a pod of orcas to separate a calf from its mother and drown it...more