アメリカ自然史博物館のインスタグラム(amnh) - 3月17日 13時30分

We think of butterfly wings as colorful, but many are relatively drab on the underside. Some butterflies protect themselves through camouflage: by folding up their wings, they reveal the undersides and blend in with their surroundings. Through this strategy, known as crypsis, they become nearly invisible to predators. Bright colors and distinctive wing patterns can, however, be advantageous. Warning coloration is like a neon sign. A bird that eats a toxic butterfly, such as the Monarch (Danaus plexippus) pictured, remembers the experience—and avoids repeating it. Learn more about the evolution and conservation of these colorful insects at our Butterfly Conservatory, open through May.
Photo: David Slater

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