Why are some animals so colorful? Blame this pigment.
Popular Science · 8 Oct 2026

Why are some animals so colorful? Blame this pigment.

Published Oct 8, 2026 9:03 AM EDT Ecuador’s Galapagos Islands are home to an incredible array of wildlife. Amid landscapes of black lava fields, scattered prickly pear cacti, lush highlands, and green mangrove fringes, you’ll spot lumbering land iguanas in striking shades of yellow, orange, and red,


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