eli5: How come gorillas are so muscular without working out and on a diet of mostly leaves and fruits?

Question

eli5: How come gorillas are so muscular without working out and on a diet of mostly leaves and fruits?

In: Biology

Answer 1

By the way, to get enough nutrition to maintain that body mass, it’s estimated that an adult male gorilla eats up to [65-75 lbs (30-32kgs) of plant matter per day.](https://www.wildgorillasafaris.com/about-gorillas/what-do-gorilla-eat.html)