A Jack Russell Terrier can kill a fox. Jack Russell Terriers were bred specifically for fox hunting. With the compaction and flexibility to follow foxes underground; the agility and strength to hold its own during the hunt, and an unmatched prey drive, the Jack Russell Terrier is a deadly enemy for foxes.

Can a dog defeat a fox?

Large dogs are at no risk of a fox attack. ... No fox is looking at a dog two to five times its size as a meal. Even dogs that are close in size to a fox, say a 30-pound dog, for example, is too much hassle and danger for a fox to consider attacking. But very small dogs, anything under 15 pounds, could be at risk.

Do foxes hate dogs?

They also have a nasty scent, which is not appealing to dogs. Although most foxes will stay clear of your pooch, young fox cubs are the most likely to attack and kill small dogs—when they are learning to hunt—and have not yet fully developed a fear of humans and other animals.