African Elephant
Here is another creature who made it to this list due to its size. The African elephant might look like a benign creature, but this does not mean that they are not dangerous. The old and young male elephants have it the worst. Be careful around them since they can crush you with their weight of 12,000 pounds.
Portuguese Man O’ War
Are you familiar with the Portuguese Man O’ War? It is a siphonophore, which means that it comprises a couple of different colonies that work together to survive. They are truly fascinating creatures to behold. Some of them even have tentacles that grow as long as 165 feet! Whoa.