Scientists have discovered the source of the "bio-duck" sound, a strange noise that has mystified scientists and submarine captains in the ocean off Antarctica for decades.
NOAA Fisheries said today it will not seek further review of the Ninth Circuit Court’s decision that, in effect, requires the agency to revise its current authorization for Washington, Oregon, and Idaho to trap and kill California sea lions.
NWFSC scientists Eric Ward and Elizabeth Holmes, along with Ken Balcomb of the Center for Whale Research, have found a correlation between the abundance of Chinook salmon and the fecundity (reproductive success) of killer whales.