Toxic algae bloom killing marine animals in Southern California

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Thousands of marine animals are washing up sick or even dead along the Southern California coast, including sea lions, whales and an unprecedented number of dolphins. NBC News' Liz Kreutz reports.

Thousands of marine animals are washing up sick or even dead along the Southern California coast, including sea lions, whales and an unprecedented number of dolphins. NBC News' Liz Kreutz reports. April 24, 2025.