Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ways compared to other colors. Show More Summary
There are blue animals, but the species are small in number compared to the other colors among living things, such as red, orange, yellow, and brown. Sure, when we look up to the sky, we see blue. When we look at the Earth from space, we see a blue marble. Show More Summary
Blue as a pigment in nature is incredibly rare. Most animals with blue coloration achieve it through microscopic structures in their skin, fur, or feathers. This helpful explainer delves into the details. (more…)
In a vivid episode of the PBS series It’s Okay To Be Smart, host Joe Hanson explained how certain animals like flamingos get their color from what they eat (carotenoids), before moving on to posit the question “Why Is Blue So Rare In Nature?”. After examining the wings of butterflies and feathers of birds, Hanson...
As George Carlin once taught us, there are no blue foods. It’s Okay To Be Smart explores the why there is so little naturally-occuring blue pigment in animals, plants, insects, and other organic matter. Oh, and those Morpho butterflies aren’t actually blue. Minds blown.
The most common cultivar of raspberry is red, so why are most raspberry-flavored candies tinted blue? The answer is two-fold: blue raspberries, though rare, do exist in nature. Blue-black in color, Rubus leucodermis, also known as the...Show More Summary