Their fur helps them to camouflage and blend into their surroundings. Their fur isn't the only thing that helps to camouflage them. Each hair on their body has a little groove in it and algae grows inside of it. The algae makes the sloth appear green.
Their slow metabolism helps them to safely digest, they also have really large, specialized, slow-acting stomachs with multiple compartments in symbiotic bacteria break down the tough leaves.
Their arms are longer than their legs and also they have curved feet for grasping branches and also help them to swim away from predators.
