Did you know some U.S. animals can change their color? From seasonal camouflage to mood-based transformations, these 10 ...

#5 Animals That Change Color: Seahorse — Wearing Their Hearts on Their Skin There are 43 recognized species of seahorse , but they all have in common the ability to change their color on a whim.

Giraffes have blue-black tongues that protect them from sunburn while they eat in the treetops. The dark color acts like sunscreen ...

Animals usually appear blue to the human eye because of microscopic structures in their skin, feathers, scales or shells, or because they take on the colour when they eat certain foods. Even among ...

Not only is the reindeer's eye beautiful, it is a scientific marvel. The animal's eyes change from a golden colour to a deep blue as summer fades to winter, helping it to see in dramatically different ...