sloths are mammals that inhabit the tropical forests of South and Central America they are about 41 to 74 cm long and have long limbs with the for limbs more developed than the hind Limbs and Long Claws they are so immobile that moss grows on their backs which has the effect of keeping them unnoticed by their enemies their hairs also house moths which lay their eggs in the sloths feces and the lvy feed on the sloth's species to grow as adults the moths burrow into the sloth's fur and mate in the sloth's fur the moth then feeds on the algae grown by the nitrogen carried by the moth in the sloth's hair and the sloth is said to be in a symbiotic relationship with the moth