As a result, animals see better at night by double-dipping their light. They can process the light coming inward through their eyes, but also get the information as it goes back outwards. Our primary ...

The net effect or benefit for the animal is that the retina has two opportunities to receive the light, once when it is incident and next when the tapetum lucidum sends it back. As a result, the ...

When we hear that reindeer eyes change color, most of us think of the iris—the colored part of the eye. While reindeer ...

It is always rather exciting to see eyes glowing at you in the dark. But what causes that eyeshine? And why don’t all animals’ eyes reflect? Eyeshine is caused by a reflective layer in the back of the ...

The secret behind the glowing eyes is a structure called the tapetum lucidum. ... This reflection through the eye produces the yellow glow we see when looking at the animal’s eyes.

Specialized squid tissues contain refractive proteins called reflectins, which help the animal evade detection and offer ...

Dr. DJ Haeussler, a board-certified veterinary ophthalmologist at The Animal Eye Institute in Ohio, explained in the PetMD article that feline eyes glow "when light is shined at them due to a ...

A fatal animal disease, distemper, has become epidemic among raccoons, California's Greeley Police Department warned. The virus causes aggression, eye discharge, aggression, glowing green eyes.

Animal Eyes introduces young readers to the wonderful, ... This gives cats and other animals that distinct eye glow. Peacock mantis shrimp are said to have the best vision in the world.

Family tree of ‘octocorals’ pushes origin of bioluminescence back to 540 million years ago, when the first animal species developed eyes. Skip to main content Thank you for visiting nature.com.