[CrazyIvan]

That big male may not be much larger than a big human, but he weighs easily three times as much.

They are also several times stronger per weight. If you could teach one to do it they could bench press nearly 2 tons.

[Little Pig]

Maybe so, but their fly-tying skills are terrible ;)

[sinanju]

The swashbuckling Arthur Jones, inventor of the Nautilus exercise machines, actually HAD a pet lowland gorilla, name of Mickey, whom he taught how to work the equipment. It was unbelievable how much weight the critter could move.