The Science of Sustainability

Tag: marine mammals

Navy Training Raises New Concerns for Whales off California Coast

Navy Training Raises New Concerns for Whales off California Coast

As the whale migration season reaches its peak, new concerns arise over naval training exercises off the California coast.

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On the Elephant Seal Dating Scene, It’s All About Bravado

On the Elephant Seal Dating Scene, It’s All About Bravado

They may sound like faulty plumbing, but male northern elephant seals have a unique communication system that's all about reputation.

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The Killer Affecting Killer Whale Populations

The Killer Affecting Killer Whale Populations

Nothing excites whale researchers and whale fanatics more than seeing a new calf born into the pod. However, researchers have learned that calf survival rates are incredibly low, especially for the orca’s first born. The mother’s young calf often dies because of something the mother passes on to her offspring—PCBs.

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Elephant Seals Through Eighth Grade Eyes

Elephant Seals Through Eighth Grade Eyes

This weekend, I went to Ano Nuevo State Park to see the elephant seals, along with 14 Oakland middle schoolers.

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It's Gray Whale Season!

It's Gray Whale Season!

It’s gray whale season. As you gaze out across the Pacific, you may see one.

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Coastal Cleanup Day

Coastal Cleanup Day

Plastic bottles, aluminum cans, plastic knives and forks, tangled fishing line, plastic bags, food wrappers, cigarette butts… all this and more will be collected from California’s beaches this coming Saturday, September 25, on Coastal Cleanup Day.

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Producer's Notes: Skulls at Cal Academy

Producer's Notes: Skulls at Cal Academy

If a dead marine mammal washes up on our beaches, from Bodega Bay to Año Nuevo, the California Academy of Sciences Department of Ornithology & Mammalogy gets a call.

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Producer's Notes: The Farallon Islands—"California's Galapagos"

Producer's Notes: The Farallon Islands—"California's Galapagos"

Lying 28 miles off the coast of San Francisco, the jagged silhouette of the Farallon Islands disrupts the clean line of the horizon. This foreboding knot of rocks sits amid one of the most
productive marine food webs on the planet and hosts the largest seabird breeding colony in the continental United States. QUEST ventures out for a rare visit to learn what life is like on the islands and meet the scientists who call this incredibly wild place home.

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Reporter's Notes: Sea Lion Rescue

Reporter's Notes: Sea Lion Rescue

For these notes, I thought I'd focus on something that didn't make it into the sea lions radio broadcast: the necropsy.

Each year the Marine Mammal Center treats somewhere between 600-1000 animals, including California sea lions, Pacific harbor seals, Northern elephant seals, and steller sea lions. About half of them are treated successfully at the center and released into the Pacific. The other half either die naturally or have to be euthanized.

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