Damn, this would be a cool Nintendo game!
Reality already got in front of that idea. No alligators, but the illegals coming through along the San Pedro River now have at least one large mountain lion to worry about. His or her tracks were first spotted last week and are bigger than my outstretched hand.
A few months back I found a bed down site in Hunter Canyon that had been hastily abandoned; all bags and backpacks had simply been dropped. Big kitty cat foot prints all over the place.
Those coming through the Huachuca Mountains have attracted the attentions of a few black bears who have taken to scavenging their food trash and discarded backpacks. It won't take long for them to lose all fear and start scavenging people.