Looking for a family-friendly holiday break activity? Visit The Marine Mammal Center's hospital and visitor center in Sausalito, California! Tickets are free but must be reserved online in advance. For important health and safety policies and to reserve your tickets, see MarineMammalCenter.org/visit. Please note that we are CLOSED on Thanksgiving, Christmas, and New Year's Day.

Harbor seal pup resting on beach.

Adopt-a-Seal® - Heyerdahl

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Heyerdahl's Story

With no mother in sight and unable to survive on his own, newborn harbor seal Heyerdahl was brought to The Marine Mammal Center for care. Without the antibodies from his mother's milk, Heyerdahl and pups like him are at higher risk of illness. That's why all of our harbor seal pup patients are cared for by a separate team of volunteers in an isolated area of the hospital that prevents cross-contamination with other patients that may be carrying parasites or viruses that could easily sicken these vulnerable pups.

After being in our care for three weeks, Heyerdahl transitioned from drinking milk formula to eating whole fish, just as he would in the wild. Once he was able to chase fish on his own and compete with his fellow pen-mates, he was released at Cypress Point in Monterey County.

Adoption Details

When you adopt Heyerdahl, you'll receive a personalized 7in. x 5in. adoption certificate with Heyerdahl's photo and story. Your symbolic adoption will make a difference in the life of a marine mammal like Heyerdahl!

Shipping included!