The term 'Dangerous Whale' refers to the ORCA, also known as the Killer Whale. It is a large marine mammal that is found in all oceans around the world. The ORCA is the largest member of the dolphin family and is known for its intelligence and strength. It is considered to be one of the most dangerous whales due to its size and predatory behavior. It is an apex predator and has been known to hunt other whales, seals, and even sharks.