Even on paper, the process of a salmon migration is daunting. Despite being in peak condition, the gamut of predators, rapids, and strong currents can tax the most resilient of salmon. Frequently, the fish power through turbulent waters with "burst swimming," a behavior that scientists at the University of British Columbia (UBC) say is not unlike sprinting for humans. Unfortunately, researchers found that this energetic form of swimming is much more likely to result in the salmon's demise before reaching its spawning grounds. According to a study recently published in
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