FerretTails on Instagram: "Ferrets, Waardenburg Syndrome & Deafness Crash & Eddie are our two newest and youngest ferrets. They’re Waardy ferrets, aka ferrets with Waardenburg Syndrome. Crash is completely deaf while Eddie hears fine, for now at least. That could change as he ages. Waardenburg Syndrome is a genetic disorder that affects the development of neural crest cells, which are a group of cells that form during embryonic development and give rise to various tissues, including pigment-prod