UW/NOAA Study Indicates Resident Orcas’ Preference For Large Chinook A Reason For Decline Of The Bigger Fish
The larger, older chinook salmon that orcas crave have mostly disappeared from the West Coast. A new University of Washington and NOAA study points to the recent rise of resident killer whales, and their insatiable appetite for large chinook salmon, as the main driver behind the decline of the big fish.
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