https://en.wikipedia.org/wiki/Domesticated_silver_foxhttps://domesticatedsilverfox.weebly.com/ (Good site)
While reading the 'pedia, I stumbled on this page and thought it was really interesting, basically a russian tannery took some foxes, made it so the chuds couldn't breed, and made it so the r/wholesome 100 chunkers could, after many generations, they had produced something resembling a dog in behavior (similar to how some foxes act in captivity)
Traits They Saw (listed by occurence in generation numbers, first being from like 5ish generations going down to about 40)
>Floppy Ears>Shorter Tail>Tails also rolling over into being over the back>Darker Fur Pigments>Shorter and Wider Skull>Overbites/UnderbitesPost too long. Click here to view the full text.