According to Dr. Daniel Costa, a prominent marine mammalogist, the estimated population of California sea lions grew from 89,000 in 1972 to about 260,000 by 2024, demonstrating the success of the Marine Mammal Protection Act.
According to Dr. Daniel Costa, a prominent marine mammalogist, the estimated population of California sea lions grew from 89,000 in 1972 to about 260,000 by 2024, demonstrating the success of the Marine Mammal Protection Act.