Movingslowlymaysoundlike a liability, especiallyifyou'renearlyblind, butbeingsluggishactuallycomeswithallkindsofbenefits.
Forone, theysaveanenormousamountofenergy.
Infact, slothsuseabout 90% lessenergythantheaveragemammal, whichisvital, consideringtheirdietis a low-energysnackconsistingofleaves...with a sideofleaves.