Why does an opossum sleep hanging upside down by its tail?
The opossum’s tail is prehensile: it is well adapted to grasping and holding on to things.
The opossum’s tail enables it to hang on to tree limbs, hang on to their young, and sometimes they do hang from their tail (along with one or more paws) when they are eating, reaching for something, grooming their young, etc. The fact is, an opossum does *not* sleep hanging upside down by their tails, and drawings of them doing so are inaccurate. They sleep on top of limbs, in crevices, or in recesses just like other arboreal animals.