This time-lapse animation of a smolt eaten by an avian predator
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Two smolts are tracked in this figure, the circles become either bright red (smolt 1) or bright blue (smolt 2) while each is near a receiver.
0:33
Two smolts are tracked in this figure, the circles become either bright red (smolt 1) or bright blue (smolt 2) while each is near a receiver.