In India, many cities now have Monkey Patrolling Squads – specially trained langurs (larger, intimidating monkeys) that chase away smaller badmasti monkeys. It is a brilliant example of fighting mischief with mischief.
Dolphins have been observed nudging pufferfish to get high, playing catch with eels, and even creating air bubble rings just to watch them burst. They also harass other sea creatures for fun. Animals Badmasti
Before we label an animal's action as badmasti, we must understand that animals do not possess human morals. What we call "naughtiness" is often a combination of curiosity, boredom, hunger, or social learning. In India, many cities now have Monkey Patrolling