Ok I know I said most ferret color names aren't commonly just the colour you see, but This can be the exception on the rule. Particularly, ferrets that has a blaze or panda sample are incredibly prone to have Waardenburg syndrome, the most obvious symptom of and that is deafness. https://ferretbreeder53086.blogcudinti.com/26851037/an-unbiased-view-of-buy-black-ferret