Common animal shelter «lore» suggests that dogs who are underweight or were previously starved are more likely than normal weight dogs to display resource guarding behavior, warning or
aggressing towards a human that approaches while the dog is eating.
Instead of merely communicating a fighter's good spirits, the researchers hypothesized that it would be a submissive signal that reveals a fighter's reduced hostility and lower willingness to
aggress towards the opponent.
She received little to no socialization and was kept inside a room in a house with another dog who repeatedly
aggressed towards her.
During a highly arousing event, they'll seek out the cause of that arousal and
aggress towards it even if it has nothing to do with them directly.