Snakes' Vision Sharpens When They're Under Stress, Smart News

This likely allows them to optimize their vision for situations that require the most attention to detail, and in the meantime save that visual energy

How to Shine When You're Put on the Spot

ancestor reconstruction – The Cambrian Mammal

Why do snakes have eyes, if they do not use it to sense? - Quora

One Swedish zoo, seven escaped chimpanzees, Zoos

Optics & Photonics News - Illuminating the Infrared “Vision” of Snakes

Can snakes see out of the back of their heads? - Quora

Snakes are helping scientists monitor radiation from Fukushima

Snakes and Sight - African Snakebite Institute

The common sight condition that can make you see SNAKES, bugs