'Outer Coast' Killer Whales Found in Monterey Bay Feast on Big Marine MammalsSwimming deep in Monterey Bay, a group of little-known "outer coast" transient killer whales that eat large sea mammals including gray whale calves has been found.
Monterey Bay Tour Boats Encountering 'Friendly Whales' That Like to SocializeMonterey tour operators don't know why so many whales are approaching and lingering near their sightseeing boats but they and their passengers are loving the close encounters.
Researchers Use New Tools to Measure Underwater Sound Pollution in S.F. BayA Bay Area researcher has gathered evidence that small marine vessels, such as high-speed commuter ferries and recreational boats traversing the waterways of San Francisco Bay, are adding to noise pollution underwater, which in turn could have a negative impact on whales
Decades-Old Pollution Linked to Cancer in California Sea LionsA team of marine mammal pathology experts examining two decades of data have determined the likely causes of a mysterious cancer killing sea lions include DDT and other legacy toxins dumped into the sea years ago.
Elephant Seal Bulls Take Over Drakes Beach as Glad Gawkers GapeWith Saturday’s glorious weather, people flocked to Bay Area beaches. But one remained off limits, thanks to some large, lonely pinnipeds looking for a little peace and quiet.
Trump Vetoes California Driftnet Fishing Bill Co-Sponsored by Sen. FeinsteinPresident Trump has vetoed a bill that would have gradually ended the use of large-mesh drift gill nets used exclusively in federal waters off the coast of California.
Feds Approve Killing California Sea Lions by Northwest States' Wildlife ManagersU.S. authorities on Friday gave wildlife managers in Washington, Oregon and Idaho permission to start killing hundreds of sea lions in the Columbia River basin in hopes of helping struggling salmon and steelhead trout.
Fed Agency Asks for Private Beach Property to Let Dead Whales Rot in PeaceAt least 81 gray whale corpses have washed ashore in California, Oregon, Washington and Alaska since Jan. 1 and scientists have an urgent request for coastal residents: Lend us your private beaches so they can rot in peace.
Elephant Seals Take Over Drake's Beach At Point ReyesA popular Marin beach that has been overrun by elephant seals has led park rangers to step in to protect both the public and the marine mammals.
2 Gray Whales Found Dead in San Francisco BayMarine experts say two dead gray whales were found in the San Francisco Bay this week and that one of them died from severe malnutrition.
Possible New Species of Killer Whale Found Off Coast of ChileAn international team of researchers says they found a couple dozen distinctly-different orcas roaming in the oceans off southern Chile. Scientists think they may represent a new species.
U.S. Senate Passes Bill Making It Easier to Kill Sea LionsSupporters say the bill will give wildlife managers greater flexibility in controlling California sea lions that dramatically increased from about 30,000 in the 1960s to about 300,000 under the 1972 Marine Mammal Protection Act.
Melting Sea Ice Spurs Legal Fight Over Walrus ProtectionsHow well walruses cope with shrinking sea ice is at the heart of a legal fight over whether walruses should be listed as a threatened species, giving them an added protection against human encroachments.
Sea Otters Struggle to Regain Historic Range on West CoastWildlife experts up and down the West Coast are struggling to figure out how to restore southern sea otters to an undersea world that's falling apart in their absence.
Video: Sea Otter Released from Rehab in Half Moon BayYankee Doodle had been treated for a number of illnesses at the Marine Mammal Center. He is the second sea otter there to be treated and released in a one-month span.