Boat strikes kill sea otters

Slow it Down! Boat Strikes Kill Sea Otters.

Anthropogenic (human-caused) sources of sea otter mortality include gun shots, entanglement, entrapment, and boat strikes.  Although these causes of mortality are relatively uncommon, this category is the most preventable source of sea otter deaths in California. Of these human-caused sources of mortality, boat strike is likely the most unintentional and unnoticed, but is easily avoidable […]

Sea otter research in Big Sur

When It Comes To Saving Sea Otters in California, It’s All About Working Together

The Southern Sea Otter Research Alliance represents a multi-disciplinary, collaborative team of researchers from the University of California at Santa Cruz (UCSC), University of California at Davis (UCD), Monterey Bay Aquarium (MBA), U.S. Geological Survey (USGS), California Department of Fish and Wildlife’s Marine Wildlife Veterinary Care and Research Center (MWVCRC), and U.S. Fish & Wildlife […]

Sea otter carrying western grebe

Did You Know Sea Otters Can Eat Birds?

Southern sea otters feed primarily on benthic invertebrates, such as sea urchins, abalone, crabs and snails, but they have been occasionally observed eating birds.  There are documented cases of cormorants, western grebes, surf scoters, common loons, and gulls being killed and/or eaten by otters in the Monterey Bay.  Most of the otters observed feeding on seabirds have been […]

Sea otter mom and pup, Monterey Bay, CA

Sea Otters Need Our Help!

Sea Otters Need Our Help! California’s southern sea otter has been listed as a threatened species under the Endangered Species Act since 1977.  35 years later and counting, their conservation status remains unchanged and their future remains uncertain.  Despite decades of protection, the southern sea otter population’s growth has stalled and the species shows few signs […]

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About is dedicated to raising awareness about California's threatened sea otters and the role research plays in the species recovery and conservation. It's a collaboration of the Monterey Bay Aquarium, U.C. Santa Cruz, U.C. Davis, U.S. Geological Survey, U.S. Fish & Wildlife Service, California Department of Fish and Wildlife, among others. is also home of the world's first HD live stream of southern sea otters in the wild.