U.S. officials said on Thursday they are granting special protection to a small group of Alaska killer whales that have dwindled in number since some members were seen swimming through oil from the 1989 Exxon Valdez spill.
U.S. officials said on Thursday they are granting special protection to a small group of Alaska killer whales that have dwindled in number since some members were seen swimming through oil from the 1989 Exxon Valdez spill.