Chinchillas are actually rodents, and if you have ever picked one up, you'll see that a chin is actually very small, it's just packed with fur (80 hairs per folicle, which is a lot.) It's really no bigger than a squirrel. In fact, it's more like a squirrel than a rabbit.
Colour mutations are not actual mutations, but breeding certain chinchillas to create different coloured chins. I wouldn't suggest trying to breed your chin, because of the LETHAL FACTOR!!! Here's a link to a site that describes it all... |