Furry sea otters float through a kelp forest, munching on sea urchin snacks and dipping below the waves. All around them, the kelp forest is bursting with life--from fish and snails, to sea stars and crabs--that might not make it without the little otters. Sea Otters are vital to aquatic ecosystems, keeping the population of urchins in check so the kelp that houses so much life can flourish. Uncover the truth about this important keystone species, explore how sea otters shape entire ecosystems, and learn what's at risk if these hungry swimmers were to disappear. Approachable text and engaging images bring this timely topic to life

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