A dog appears to be lying relaxed on the couch–peaceful, calm, secure. But then the door opens, someone enters, and suddenly the dog jumps up, growls, and might even move forward. Outsiders often see ...

Concerned about an aggressive puppy? Learn signs of aggression vs. play and get tips to manage aggressive puppy behavior for a happier home.

"Breed-Specific Legislation is not the answer!", was the emphatic exclamation of a colleague of mine. We were attending a psychological conference in Portland Oregon several years ago, and were having ...

"My 11-year-old Shih-Tzu is an absolute lovebug. However, he's also so overprotective of me that he won't let anyone within 10 feet of me. Whenever a new person comes to the house, he growls and barks ...

Aggression is the number one behavior problem of humans, dogs, cats, and horses (to name but a few mammalian species). It is a perfectly normal survival-necessary behavior when expressed at the right ...

Dogs are man's best friend, but they are still animals, and sometimes their wolf-like behavior comes out in aggression. Some kinds of canine aggression to be aware of are resource guarding aggression, ...

Scientists studying 1,300 golden retrievers have uncovered genetic clues explaining why some dogs are more anxious, energetic, or aggressive than others. Remarkably, several of the same genes linked ...