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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This park is Superkilen
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Celebrating 30 years of eye-opening images
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A little blue
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In the Garden of Europe
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Labor Day parade in 1915 Chicago
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3, 2, 1 … Happy New Year!
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The Battle of the Bulge 75 years later
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International Day of Peace
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Vacuum Chamber 5 at Glenn Research Center
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Edinburgh festivals
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The old guard at Old San Juan
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The mountain of 30,000 sakura
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Gazing down on planet Earth
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New Year s Day
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Freshwater plants in Aquário Natural, Brazil
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International Mountain Day
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Christmas Bird Count
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Native American Heritage Month
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Mackerel forming a bait ball to avoid predators
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Bear Hole Brook, Catskill Mountains, New York
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Basking in the glow
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Celebrating the UN’s International Day of Families
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At the foot of Dubrovnik s Gibraltar
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Cetacean Saturday
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Dog days of summer
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Last day of National Park Week
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Celebrating Helsinki’s birthday at the Kiasma Museum
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World Turtle Day
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Honoring the first American woman in space
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Sandhill cranes, Bosque del Apache National Wildlife Refuge
Bing Wallpaper Gallery

