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ANCHORAGE, Alaska (AP) -- Something is holding down the herring population of Alaska's Prince William Sound, and marine scientists are tailing some rather large suspects: humpback whales.
Humpbacks, once hunted to near extinction, are thriving in waters fouled 21 years ago by the Exxon Valdez, the supertanker that ran aground and leaked nearly 11 million gallons of crude oil.
The herring population crashed after the spill but should have rebounded by now. One hypothesis is...... http://www.kodiakdailymirror.com/?pid=18&path=U/US_HUMPBACKS_AND_HERRING