10 Facts About The Animal Kingdom That You Might Not Know

9. Sea otters are serial killers

Sea otters might look like the cuddly, playful creatures of the sea, but don’t be fooled by their cute faces—they can be surprisingly savage when it comes to defending their territory or asserting dominance. While they are generally known for their playful behavior and use of tools, there’s a darker side to their nature. Sea otters have been observed displaying aggressive behavior, even attacking and killing females of their own kind. These confrontations can be intense, and while it’s not always clear what drives their violent actions, it’s evident that sea otters have a fierce side that goes beyond just playfulness.