A deceased gray whale calf with tooth marks all over its body was found on a beach in Oregon this week. Jim Rice, a program manager with the Oregon Marine Mammal Stranding Network, told USA TODAY ...

But killer whale teeth marks, or rake marks ... Bigg’s killer whales prey predominantly on other marine mammals, including gray whales. But virtually all previous whale predations have involved ...

As migrating gray whales are spotted off the Ventura coast, teams in Southern California have so far counted a record low number.

But they said tooth-rake marks (common after orca predation ... Bigg’s killer whales prey predominantly on other marine mammals, including gray whales. But virtually all previous gray whale ...