Black cats are domestic cats with black fur, often associated with various cultural beliefs and superstitions. They belong to the species Felis catus and can be found in many breeds. Their striking appearance is due to a genetic variation that produces the black coat, which can sometimes have a shiny or glossy look. In some cultures, black cats are considered symbols of good luck, while in others, they are seen as omens of bad fortune. Despite these beliefs, black cats are just like any other cats in terms of behavior and personality, often being affectionate and playful companions.