Thirteen reasons to adopt a black cat, including their sartorial elegance (well, that accounts for a number of the reasons) and the fact that, on the other hand, their color puts people off. At adoption time, black cats are often the last felines to find homes. Poor kitties. Black cats have also traditionally been associated with the black arts, with witchcraft, and with evil doings. Snopes.com delves into the question of whether black cats (and other animals) actually disappear with more frequency around Hallowe'en but notes that many animal shelters cut back on allowing feline, especially black cat, adoptions in October.