Yes I am convinced that ferrets can learn to purr, or something close to it! We still had our cat Pepper when our first ferret, Belle, came into our lives. When Belle was very young, Pepper would tolerate her sleeping curled up next to him. As Belle grew older, when playtime was over, she would snuggle in our arms and sigh contentedly. As she grew drowsy, she would exude such contentment and comfort she came very close to purring. OK there was no actual rumble, but her intent was clear. After Pepper died, when Belle was about a year old, the almost purr behavior gradually disappeared, though she has always been a cuddler. Belle is now 7 1/2, on Lupron, Pediapred and Proglycem, sparsely furred, pathetically thin, but still relatively active and content. Alas she no longer purrs, but still thinks under the shirt is the best place to be. Linda Iroff Oberlin OH [Posted in FML issue 2939]