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> Blue is one of the rarest colors to appear in nature, which makes blue coloration in animals particularly fascinating. Now hold on just a minute. The sky.
by A_D_E_P_T 3y ago
> Blue is one of the rarest colors to appear in nature, which makes blue coloration in animals particularly fascinating.
Now hold on just a minute. The sky. The ocean. Glaciers. Even human eyes. Blue is so common "in nature" that the Earth, viewed from Mars, looks like a blue glass marble. https://www.universetoday.com/14446/photos-of-earth-from-mars/ https://www.universetoday.com/14446/photos-of-earth-from-mar...
Blue coloration in plants and animals is admittedly uncommon, but it's far from unusual. Animals tend to cluster around earth-toned colorways, and bright reds and greens are just as uncommon as blue.
- constantly 3y agoDon’t you think given the context of the article, they were clearly talking about blue coloration in animals, or plants and animals?
- pvaldes 3y ago> The sky. The ocean. Glaciers. Human eyes All structural. Blue eyes are depigmented, so the iris is basically "transparent" if I remember correctly. Thus they change with the light. The effect is more striking in green eyes that can turn grey.
- mcpackieh 3y agoIt should say that blue pigment is rare, not blue color. The premise of structural colors being somehow less real than pigment colors is a bit weird, but for some reason common.