Coexisting With Wild Snakes › C — How NOT to identify a venomous snake Rule 2: “Cat eyes” Updated September 23, 2026 Share this pageShare…Facebook (opens in a new tab)EmailCopy link In this lesson: why "cat eyes" fails in daylight, fails at dusk, and fails completely when the snake isn't from around here. 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