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

So, what animal has the best vision? In reality, there's no easy answer — but there are certainly some standouts. "There is ...

The vision of birds of prey is often cited as one of the most advanced in the animal kingdom. These hunting birds spot their ...

This adjustment makes their eyes 100 to 1000 times light sensitive. This shift in color allows reindeer to adjust to the dramatic lighting variations in their habitat.

To understand why animals with albinism have red eyes, it’s first important to know what albinism actually is – a genetic condition that stops cells from being able to produce melanin, a ...

Unlike animals, albino humans tend to have variations in eye color. They are typically blue, but some people with albinism may also have eyes that are light gray, violet, or brown.

From eyes that change color with the seasons to orbs as big as basketballs, the animal kingdom is out of sight. By Laura Baisas Published Nov 21, 2023 9:45 AM EST Get the Popular Science daily ...

Fossils of animals like Thrinaxodon, for example, have orbits near the sides of their heads. Finally, in our primate ancestors, the eyes moved to the front of the skull.

Our cat Esmé is approximately 15 years old. She is an orange striped cat. Sometimes her eyes are a deep butterscotch (to match her fur). Other times they are a light green. Why?

Nanospheres in the eye reflect light that matches the color of the surrounding water, possibly making the animals invisible to nearby predators.