Coexisting With Wild Snakes › B — How snakes actually work Fangs, and the snakes that have them Updated September 21, 2026 Share this pageShare…Facebook (opens in a new tab)EmailCopy link In this lesson: the three kinds of fangs, and why "rear-fanged" harmless snakes are nothing to fear. This lesson is part of Coexisting With Wild Snakes. Enrollment is free and self-paced (about 5 hours). Enroll free to read this lesson Already enrolled? Sign in Sign in Keep me signed in Forgot Password? Sign In Don't have an account? Register Now