Bony Fish: World's Weirdest: Salmon Soar Without Wings
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© National Geographic
World's Weirdest: Freaks of the Sky
World's Weirdest: Salmon Soar Without Wings
For salmon, the only way home is up. Leaping over waterfalls to reach the spawning grounds where they were born, salmon can put Olympic high jumpers to shame ... but they still have to get past the bears.