Thanks, our stray that we took in looks just like these dogs except his ear do not stand up when not excited. His tail is even curled over his back like them. I think he may at least be part Caanan dog!
Click on my name to see my strays.
Then, there's this:
The Dixie Dingo
"The Native American Dog" "The American Dingo" " Southern Aboriginal Dog" "The Indian's Dog"
Still living Wild in the bottom land swamps and forests of the Southeastern United States. (For ~10,000 years)