Blue is one of the rarest colors in the animal kingdom, and unlike other pigments found in nature, most blue creatures don’t actually produce blue pigment. Instead, their color comes from structural ...

Animals with blue eyes are a rare occurrence in nature due to being linked to recessive genetics, mutations, and specific genes. Despite that, many species still have beautifully rich blue eyes. While ...

Blue animals are far rarer than other colorful species, and the reason lies in biology rather than chance. Unlike reds or yellows, blue coloration is difficult to produce using pigments found in ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Blue blood may look alien, but it’s one of evolution’s most ...

Scientists bought a popular blue animal from a pet trader and discovered a new species from Indonesia, a study said. Photo shows a representative pet market. Photo from Y K yokeboy via Unsplash Far ...

For arctic reindeer, the ability to change their eye color is more than a fashion statement—it's a life-saving skill.

The color blue is a very common favorite color for humans, but it is not seen in plants and animals very often. According to scientists from the University of Adelaide in Australia, this is partially ...