5. Sockeye Salmon
Bristol Bay, Alaska is home to the largest wild salmon run in the world, sometimes numbering up to a whopping 40 million fish. Sockeyes usually spend their early lives in lakes and migrate through streams on their way to their final destination: the ocean.
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No other land mammal travels more than the Serengeti wildebeest. The famed African antelope clocks in anywhere between 500 and 1,000 miles annually, primarily Tanzania’s famed Serengeti. They occasionally group with zebras and gazelles in their quest for prime grass to graze and water to drink.
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