- Six-toed kittens are so common in Boston and surrounding areas of Massachusetts that experts consider it an established mutation.
- The silks created by weavers in Baghdad were inspired by the beautiful and varied colors and markings of cat coats. These fabrics were called "tabby" by European traders.
- Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible.
- Cats lived with soldiers in trenches, where they killed mice during World War I.
