The color of a blue-footed booby’s feet comes from carotenoid pigments obtained through their marine diet, and the brighter the feet, the more attractive the bird is to a potential mate.
— Nature Unedited (@NatureUnedited) April 15, 2026
They are one of the most iconic species of the Galápagos Islands pic.twitter.com/YbnydKOYwk
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Photo illustration by Connor Lin / The Daily Upside, Photo by Alptraum via iStock -
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