>>73792
Fun fact: blue whales use up to 2,000 kcal just to feed once.
That's how much energy an average adult human needs in a day.
Every time they feed, they swallow up to 500,000 kcal of energy, or 2,000,000 kJ.
They require 1'500'000 kcal every day, or 6'300'000 kJ/day
90'000 kJ are roughly 20'000 kcal.