Reasons Why Dogs Bite

You reach for the treat you just gave your dog and—snap! He nips at your hand. When did your sweet pup become a biter? A biting dog can be a serious problem, causing injuries to your body and possibly even your feelings as a loving dog parent. Understanding where the unwanted behavior is coming from can help you correct it quickly.

Territory

Your pooch has a built-in need to establish his own space. If he believes his territory is under threat, he may bite to show that he considers an area is his. For example, sticking your hand inside his crate might lead to a nip.

Pain and Fear

When a dog starts biting suddenly, especially if the bite happens as you're petting your pup, watch him for signs of pain. The pain can be as simple as an upset stomach, a temporary pain such as a bee sting or something more serious, such as a broken bone or internal injury. Your canine companion is likely to bite unexpectedly when he's scared, such as after an especially loud boom of thunder or if the neighbor's screaming kids just ran through his house.

Resource Protection

Sticking your hand between your pooch and his food is not always a good idea. In the wild, canines don't always know where their next meal is coming from, so they become overly protective of their food. Your dog has that same ingrained thought pattern. Even though he knows you're going to feed him every day, he won't be happy if you try to take his food or treat away while he's eating it and can bite out of instinct. Some dogs also bite when you try to take a toy away.

Other Issues

Puppies tend to bite more than adult dogs, in part because they haven't learned proper behavior, but also because they are exploring new tastes and textures. The puppies' mom might also be aggressive, biting to protect her babies from perceived threats. If your dog is barking at the neighbor's pooch, be careful grabbing at him -- when his hackles are up, he might turn and snap before he knows it's you. Some herding breeds, such as border collies and Australian shepherds, often nip at the heels of children as they run in an attempt to herd them to safer ground.

By Rob Harris

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References

Petfinder: Why Dogs Bite
Dog One Safe: Why Dogs Bite and How They Warn Us
Spencer Daily Reporter: Why Do Dogs Bite?

About the Author
While studying journalism in the Army and at the University of Missouri, Rob Harris developed a lifelong love of physical fitness and nutrition, contributing often to a dairy industry newsletter. He has also worked with and created blogs for several family businesses including a professional dog kennel and a flower shop, where he used his experience as an avid gardener to grow plants for sale.