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What’s the Difference Between Dolphins and Porpoises? And Other Animal Trivia
How well do you know marine mammals? Test your knowledge with this trivia. Plus, see how you can be part of critical conservation efforts to protect these animals. Take the quiz!
Join us for Marine Science Sunday
Explore ocean life with our expert educators through captivating photos, science, and stories of amazing marine mammals. These free, interactive programs happen on the 2nd and 4th Sundays in Sausalito. Come visit us, each month brings a new ocean theme! Learn more
Help save a life!
Your generous gift today will provide the food and medical care a pup like Fuzzball needs to recover. Donate today
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Plan Your Visit
See Our New Exhibits
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Celebrating 50 Years of The Marine Mammal Center
Cetacean Conservation
Enrichment
Ocean Trash
Sustainable Seafood
Climate Change
Hawaiian Monk Seal Conservation
Cancer
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What’s the Difference Between Dolphins and Porpoises? And Other Animal Trivia
Rescue Stories: Southern Sea Otter Mooring Named the 2025 Patient of the Year
Training College Students in Marine Mammal Health
Reina
Northern Fur Seal — Female Released
Shrub
Northern Elephant Seal — Female Released
Mayhem
California Sea Lion — Male Released {"image":"\/Animals\/Patients\/Hawaiian monk seals\/2021\/hms-pp08-by-sheila-latta-c-the-marine-mammal-center-noaa-permit-18786.jpg","alt":"Hawaiian monk seal","title":"The New York Times: Inside the Bird-Flu Vaccine Trial for Monk Seals","link_url":"https:\/\/www.marinemammalcenter.org\/news\/the-new-york-times-inside-the-bird-flu-vaccine-trial-for-monk-seals","label":"In the News","date":"2025-12-01 01:00:00","type":"news"} In the News
The New York Times: Inside the Bird-Flu Vaccine Trial for Monk Seals
December 1, 2025
Read More {"image":"\/Animals\/Wild\/Sea otter\/sea-otter-photo-c-brian-simuro.jpeg","alt":"Sea otter","title":"AP News: Baby sea otter is reunited with mother in central California after dramatic rescue","link_url":"https:\/\/www.marinemammalcenter.org\/news\/ap-news-baby-sea-otter-is-reunited-with-mother-in-central-california-after-dramatic-rescue","label":"In the News","date":"2025-11-14 09:46:34","type":"news"} In the News
AP News: Baby sea otter is reunited with mother in central California after dramatic rescue
November 14, 2025
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In the News 
In the News