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Humpback Whales Bubblenet Feeding


A group of humpback whales collaborate in bubblenet feeding in Lynn Canal. The combination of spawning herring and the annual hooligan run in Berners Bay attracts many whales and other predators to the area in late April and early May. During bubblenet feeding, a group of whales swims rapidly in wide circles around and under a school of fish, blowing air through their blowholes. The bubbles form a visual barrier that serves to confine the school within an ever-tighter area. The whales then suddenly swim upwards and through the bubble net, mouths agape, swallowing thousands of fish in one gulp.