I also live in the city but commute to my "home away from home" on weekends.
I also live by a creek. No shortage of coyotes, rabbits, coons, tree rats (squirrels), feral hogs, skunks, possums, armadillos, snakes, etc.
A friend of mine rented a pasture for grazing cattle. Using nooses, he eliminated over 100 coyotes and dogs in the first year.
I would think that 6 inch electric fences would be a deterrant. However, they are getting to Tim.