Bullying Animal Child Abuse
Even Animals Bully Their Children
Animals often bully each other. But people often bully animals, especially children. Bullying often leads to physical violence towards the animal.

Research as early as the 70's have shown that children who bully animals will also bully adults. Famous cases of serial killers have also shown that in their childhood they bullied animals and then tortured them to death.

Jeffrey Dahmer: bulled and tortured animals as a child
This little bear was euthanized because his mother bullied him constantly.