These are top-level predators. Like us, they eat anchovies,...

These are top-level predators. Like us, they eat anchovies, squid, salmon and mussels. They are sentinels for human health, because they share our ecosystems and prey. We may see impacts in sea lions before people - they could be an early warning.

Frances Gulland Quote About Early, Eat, Ecosystems, Human, Impacts: These Are Top Level Predators...

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