Lizards, birds and fish often sport vivid colors, from neon pink to deep violet, but most mammals are fairly drab. So why don't mammals match the vibrant hues of other animals? A number of factors ...

Birds flash iridescent feathers, reptiles show off electric patterns, and fish glow with colors that seem unreal, but most mammals stick to browns, blacks, and grays. Aside from a few exceptions like ...

Add Yahoo as a preferred source to see more of our stories on Google. an illustration of a black rodent-like early mammal with a membrane like a flying squirrel flying through a forest The new ...

When it comes to color, mammals are hardly the most vibrant creatures of the animal kingdom. Their fur often comes in drab shades of brown, gray or black, unlike some birds, insects or fish that can ...

One of the curious things in the world of birds is why most species come in only one color form, while others come in many. We can start with the western tanager. Adult males all look the same. Adult ...

From the blue, yellow and red hued mandrill to the tie-dyed panther chameleon, nature hosts a parade of vibrant and gorgeous animals. But why do animals make this broad palette of colors? And how do ...