The Amethyst Starling (Cinnyricinclus leucogaster), is one of the most striking birds in Africa. Its dazzling violet-purple plumage isn’t caused by pigment, but by microscopic structures in its feathers that reflect and scatter light. This structural coloration creates an intense metallic sheen that can make the bird look as if it’s carved from polished amethyst, especially in bright sunlight.
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NASA shares clearest image ever captured of hexgonal storm raging on Jupiter's South Pole.
How this configuration remains stable is a mystery to this day and scientists are still looking for answers.