Its appetite hinges on nutrient-rich krill swarms, so climate shifts that shrink krill threaten energy reserves and migration. Read on to discover the 12-inch-thick throat muscles and a 90-second gulp ...
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It sounds absurd, but the heart of a blue whale is so big a human could swim through its arteries
It’s hard to picture a creature so immense that a person could stand inside one of its arteries, yet that’s the reality of the blue whale—the largest animal ever to live on Earth. A detail like that ...
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