09/06/2021 11:35 AM | Click to read full article
Evidence shows that smaller dogs can actually be more aggressive than many of their outsized counterparts. Small size may make dogs more fearful, and they may lash out in self-defense, Serpell said.
Tiny breeds are more likely to react defensively because they have more to be afraid of. Alternatively, small dogs' reactivity could be a result of their owners' behavior