Humans are more likely than you may imagine coming into contact with these dangerous creatures. The number of people they kill every year is shocking. Buckle up if you’ve never heard it before. We’d like to understand more about the World’s most lethal creatures. They come in a variety of sizes and forms. Who would have thought that a stone the size of a pebble could be so deadly to an adult crowd? The number of human assaults or fatalities they cause each year determines which animals are the most hazardous. The following are the World’s 20 deadliest animals. And be on the lookout: Humans are more likely to encounter these creatures than they realize!