They're widespread and hungry, but they'd only hurt a fly.
Some plants get so hungry they eat flies, spiders, and even small frogs.
In fact, they're found on every continent except Antarctica. You've probably seen a Venus' flytrap. It's often sold in museum gift stores, department stores, and even supermarkets. A small plant, it grows 6 to 8 inches tall in a container. At the end of its numerous elongated stalks are specially modified leaves that act like traps.