Research from Stanford University indicates that blue whales may ingest up to 10 million microplastic particles daily, primarily through krill consumption. Within California’s ocean current ecosystem, microplastic concentrations at depths of 50–250 meters highly overlap with whale feeding zones, turning filter-feeding whales like blue whales and humpback whales into “plastic vacuum cleaners.” Long-term accumulation may cause digestive system damage and toxin buildup, though specific health impacts require further investigation.
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