Harbor Seal Health Study
The Marine Mammal Center’s marine biologist, Denise Greig, is conducting a study of the effects of pollutants and environmental factors on San Francisco Bay Area harbor seals, and is requesting the help of the public to report sightings of the seals along the California coast. Read more...

Diving behaviors of rehabilitated and free-ranging harbor seal pups
The objective of this study is to compare the diving behaviors, including depths and durations of dives, surface intervals, time at depth, and swim velocity, between wild and rehabilitated pups. This is a collaborative study between The Marine Mammal Center and Moss Landing Marine Laboratories.

Subcutaneous implantation of radio transmitters in rehabilitated harbor seal pups
The utility of subcutaneous radio transmitters is being studied as a more effective option for tracking rehabilitated harbor seal pups. This is a collaborative study between The Marine Mammal Center and Moss Landing Marine Laboratories.

Post-release survival and behaviors of captive-reared Steller sea lions (Eumetopias jubatus)
This is an on-going study, during which threatened Steller sea lion pups rehabilitated at The Center are tagged with satellite-linked time-depth recorders to assess their movements, diving behavior, and post-release survival.