The blue whale is the largest animal on the earth ever to live on the earth , its recorded to be up to 110 feet long and 150 tons . A blue whales heart can even weigh as much a car but even crazier is that the tongue alone weighs as much as an elephant ! Although they can get up to 181 tons the maximum recorded weight is 173 tons and that's no surprise because they eat can eat up to 4 million krill in a day meaning they gain around 7,900 pounds a day , even baby blue whales eat almost as much as that in a day baby blue whales eat as much as 2,000 pounds a day . Speaking of their diet and how they eat blue whales filter their food through their baleen plates . First let's talk about how they eat , before blue whales eat they do this technique
