The waters of Puget Sound are a pretty noisy place, if you’re an orca. But what does a passing tanker ship or motorboat sound like to a killer whale? How does it affect their behavior? Ashley Ahearn reports researchers are trying to find out.
LONG BEACH, Wash. -- The bruised and bloody carcass of an endangered killer whale washed ashore at Long Beach, Washington this weekend. An initial necropsy did not pinpoint a cause of death. Correspondent Tom Banse has more on an emerging whodunit.