Okay, back to this story... what about a hippo. Would it cross your mind?
Did you know: The name hippopotamus means ‘river horse’ and is often shortened to hippo. Hippos typically live for around 45 years and eat mostly grass.
That's right, it's a giant hippo coming after them. Watch the crazy video below.
Share on your Facebook page if you thought it was the monster. I would never have guessed that hippos could swim so fast! Click "NEXT PAGE" to see another fascinating mysterious animal story!