6 strange plants that eat animals-- Here’s how they do it

In the world of plants, most use sunlight and soil to survive. But some have a very different way to live. Carnivorous plants catch and eat small animals to make up for poor soil, which lacks nutrients. They have clever traps to catch their prey, making them some of the most interesting plants around. Let’s look at six examples that show this amazing survival skill.

The Venus flytrap (Dionaea muscipula) grows in the wetlands of the eastern United States. It’s famous for its quick-closing leaves. When an insect touches its tiny trigger hairs twice, the trap snaps shut. This stops it from wasting energy on false alarms. Over a few days, the plant slowly digests its catch and absorbs the nutrients it can’t get from the soil.

Utricularia vulgaris, or common bladderwort, grows in lakes and ponds across Europe and Asia. It has tiny, bladder-shaped traps that work like vacuums. When small water creatures touch its trigger hairs, the trapdoor opens and sucks them in. This lightning-fast action is one of the quickest in the plant world, helping the bladderwort get nutrients it can’t find in the water.

Sundews, part of the Drosera family, grow all over the world, especially in Australia. Their leaves have tiny hairs coated with a sticky, sweet liquid that lures insects. When a bug lands, it gets stuck, and the surrounding hairs slowly curl around it. This sticky trap helps sundews catch food and survive in places with poor soil.

The cobra lily (Darlingtonia californica) grows in northern California and Oregon. Its tall, curved leaves look like a cobra and produce nectar that draws in insects. Once inside, fake exits and see-through patches trick them, making them go deeper into the tube. Eventually, they end up in a pool of fluids that breaks them down. Unlike faster traps, the cobra lily catches its food by confusing its prey.

Corkscrew plants (Genlisea) grow mostly in tropical areas of Africa and South America. Unlike most carnivorous plants that catch insects, these trap tiny protozoa. Their underground traps are shaped like spirals and lined with tiny hairs that point inward, so once prey enters, it can’t get out. This clever design helps the plants live in soil with very few nutrients.

Nepenthes, also called tropical pitcher plants, grow mostly in Southeast Asia. They have big pitcher-shaped leaves full of digestive liquid. The rim of the pitcher is coated with nectar that draws insects in. When they slip and fall inside, they can’t climb back out and eventually drown. Some larger types can even trap small animals, showing just how effective this simple but clever trap really is.