Every now and then I hear of someone being bitten by a coyote. ( Usually a city slicker out walking a tiny little dog.)
The only problems I have with them is every now and again, one will get bold enough to attempt to raid the chicken house.
I would rate coyotes as close to the last canine I would worry about personally.
Feral dogs would be the #1 problem, as some aren't afraid of humans, or other domesticated dogs.
This one for example......