One moment they"re blending in, the next they"re flaunting a new shade—chameleons really know how to color the world. But every May 9, these masters of disguise can"t hide from the spotlight. International Chameleon Day celebrates their color-shifting skills, zippy tongues, and wild adaptations. Chameleons change colors to help regulate their body temperature, attract mates, and communicate with others. Specialized skin cells, including iridophores, reflect light to create dazzling displays. Some species turn bright to signal aggression, while others adopt subdued tones to avoid attention.
International Chameleon Day
Today in History
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Exploring the wilder side of New York
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Sami lavvu structures, Finnmark, Norway
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National Park Week begins
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Getting to the bottom of the underwater waterfall
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A tale of almonds and bees
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An island in the Highlands
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International Day of Friendship
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Veterans Day
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Anniversary of Bryce Canyon National Park
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Neuschwanstein and Hohenschwangau castles, Bavaria, Germany
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By the light of the fireflies
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For Hispanic Heritage Month: Out of Many, One
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Gateway to America
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Paleontology meets art
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Góða ólavsøku, from the Faroes!
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Apples ready for harvest in Minnesota
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Rosa Parks Day
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With leaves this tasty, who cares about a view?
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Everglades National Park, Florida
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Heavens Gate Cave, Tianmen Mountain National Park, China
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Nursing the world to health
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Why’s it called a spelling ‘bee,’ anyhow?
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Mont-Saint-Michel, Normandy, France
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Natural Bridges State Beach in Santa Cruz, California
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An octagonal architectural treasure
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Rising up from the black sand like rock gods
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Schönbrunn Palace Park, Vienna, Austria
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Who doesn’t love a ‘Puppy’?
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National Go Birding Day
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A medieval celebration in the Mediterranean
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