California Sea Lion Tracking, 2023

The Costa Lab, in partnership with the Block Lab at Stanford’s Hopkins Marine Station and the Garza Lab at the University of Washington, has begun studying how the distribution of white sharks relates to California sea lion distributions and behavior. In October, 2023 we outfitted 10 sea lions with biotelemetry instruments that transmit information on location, diving behavior, and ocean temperature.

These maps show the last 30 days of GPS and high-quality Argos location estimates for our 2023 deployments. Complete GPS-only tracks for all animals can be seen here.

Adult Females


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