Left to their own devices and deprived of human companionship, undesirable behaviour may be exhibited, including chasing of small animals, and barking, becoming bored, destructive, or escape artists if ignored.
Undesirable behaviour was left to their own devices. Undesirable behaviour was deprived of human companionship. Undesirable behaviour may be exhibited. This was including chasing of small animals, and barking, becoming bored, or escape artists if ignored. This was destructive.