Baleen whales eat (and poop) a lot more than we realized
In a single day, a blue whale can gulp down the caloric equivalent of 30,000 Big Macs

Humpback whales feed on sand launce fish in the Stellwagen Bank National Marine Sanctuary off the coast of Massachusetts. New research suggests that baleen whales, including humpbacks, eat a lot more food than scientists realized.
Elliott Hazen