Resident orcas' appetite likely reason for decline of big Chinook salmon
Monday, December 16, 2019 - 17:10
in Biology & Nature
Large, old Chinook salmon 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.