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California sea lion pup Mousse was found malnourished, skinny, and with no mother in sight. Orphaned pups like her need your help!

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California sea lion
Hawaiian monk seal Sole

The Marine Mammal Center advances global ocean conservation through rescue and rehabilitation, scientific research, and education.

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Upcoming Events

Join Us for Our Ocean Policy Webinar Series

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California sea lion underwater

Climate Change Through the Eyes of Marine Mammals

Tuesday, Mar 9, 2021, at 10:00 am

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Hawaiian monk seal with plastic trash

Stop Ocean Plastic Pollution – Public and Private Strategies

Tuesday, Apr 13, 2021, at 10:00 am

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humpback whale underwater

The Future of Ocean Policy on Marine Mammals

Tuesday, May 11, 2021, at 10:00 am

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breaking wave

What the 2020 Election Means for Climate Change and Our Ocean

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What We're Working On

California sea lion with mouth open

Cancer

whale feeding with oil rig in background

Climate Change

harbor seal Woody eating a fish

Sustainable Seafood

Two Hawaiian monk seals sleeping on the beach.

Hawaiian Monk Seal Conservation

Hawaiian monk seal tangled in fishing gear

Ocean Trash

Ways to Give

Your support makes life-saving work possible. Our patients rely on the generosity of people like you. There are many different ways to make a gift today and help return marine mammals to a healthier ocean home.

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Make a Gift in Honor/Memory

sea otters Langly and Sprout

Shop Adopt-a-Seal® Gift Packages

trio of California sea lions returning to the wild

Leave a Legacy Gift in Your Will

What's New

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Hawaiian monk seal RK58

Endangered Hawaiian Monk Seal Airlifted to Hawai‘i Island Hospital Due to Injuries from Suspected Dog Attack

dolphins leaping out of the water

New Skin Disease in Dolphins Linked to Climate Change

northern elephant seal Stoffle before being rescued

First Elephant Seal Pup Admitted to Our Hospital, Signaling the Start of Pupping Season

Registration Now Open for Virtual Camp Sea Quest

Join virtual summer camp with the largest marine mammal hospital in the world!

Rising 5th – 8th graders will dive into marine science from home with at-home activities and behind-the-scenes virtual experiences. All materials will be sent to campers in advance.


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Adopt An Animal

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elephant seal pup Zurich

Zurich

Northern Elephant Seal — Female
Released
Guadalupe fur seal Neshema
threatened

Neshema

Guadalupe Fur Seal — Male
Released
California sea lion Seadog

Seadog

California Sea Lion — Male
Released

The Marine Mammal Center In The News

See all press coverage

Interested in talking to our experts? Contact our media team.




California sea lion Superstition
In the News

LA Times: Sea lions are dying from a mysterious cancer. The culprits? Herpes and DDT

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a dead gray whale on the shore of Angel Island with the Golden Gate Bridge in the background
In the News

San Francisco Chronicle: Gray Whale Die-off Pushes into Second Year. Can the Giants Survive?

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dolphin leaping out of the water
In the News

Forbes: Mysterious Dolphin Deaths Linked To Climate Change In New Study

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plastic pollution floating in the ocean
In the News

Washington Post: Used Masks Polluting California Coastal Waters

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student with laptop
In the News

Marin Independent Journal: Marin Ocean Wildlife Center Launches Student Program

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a group of sea otters
In the News

Marin Independent Journal: Want to Save Sea Otters? Key Might Be Moving Them into San Francisco Bay

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