Redirected Aggression: This type of aggression is relatively common, but is a behavior that pet owners may not
always understand. If a dog is aroused into an aggressive response by a person or animal that he is prevented
from attacking, he may redirect this aggression onto someone else. A common example occurs when two family
dogs become excited, bark and growl in response to another dog passing through the front yard. The two dogs,
confined behind a fence, may turn and attack each other because they can’t attack the intruder.
Predation is usually considered to be a unique kind of aggressive behavior, because it’s motivated by the intent to
obtain food, and not primarily by the intent to harm or intimidate.