Take a look at these fascinating videos explaining the many horrible ways that animals can use their hollow fangs, grooved teeth, lip glands, claws, spurs, spines, stings and tentacles to deliver venom for the sole purpose of paralysing and killing other animals -- including humans.
It's all part of the The Power of Poison, an exhibit that is running at the American Museum of Natural History in New York.
Here's the exhibit's curator and professor at the Division of Invertebrate Zoology at the Sackler Institute of Comparative Genomics Mark Siddall explaining the different methods of poison delivery.
And here's an explanation at the differences between venoms, toxins, and poisons:
If you want to know more about the exhibit, make sure to watch this video.