Color change isn’t just about looking cool - it helps these animals hide from predators, attract mates, or regulate body temperature. Their shifting appearance plays a direct role in staying alive.

The most prevalent colors of animals in nature are brown, black, and grey. These colors are important for protection and ...

While humans have three color cones in the retina sensitive to red, green and blue light, birds have a fourth color cone that can detect ultraviolet light. A Princeton-led research team trained wild ...