Mouth agape, this huge humpback whale lunges from the water in the Chatham Strait, south-east Alaska. Humpback whales in Alaska feed mainly on herring, other small fish, and krill. These whales use a variety of methods to catch food including underwater exhalation of columns of bubbles that concentrate prey, feeding in formation, herding of prey, and lunge feeding
Photograph: Duncan Murrell/Steve Bloom Images / Barcroft Media
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