International Chameleon Day May 9, 2025

International Chameleon Day

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.

© Photostock-Israel/SPL/Getty Images

palette

Today in History

May 9, 2018Longtailed widowbird at Rietvlei Nature Reserve, South Africa
May 9, 2019An endless journey
May 9, 2020Here’s looking at you, teachers
May 9, 2021Happy Mother s Day!
May 9, 2022Göreme, Cappadocia, Turkey
May 9, 2023A castle fit for a count
May 9, 2024Tulips at Emirgan Park in Istanbul, Türkiye

More Desktop Wallpapers:

Jan 24, 2021These patterns tell a story
Feb 10, 2018Bonifacio on the island of Corsica, France
Aug 17, 2025International Lighthouse Lightship Weekend
Sep 29, 2023Mid-Autumn Festival
Nov 5, 2019Balloons and camels are two ways to catch a ride here
Oct 2, 2019Wild scene on the Merced River
Dec 15, 2022Borovets ski resort in Bulgaria
Feb 22, 2020It s not always sunny in Abu Simbel…
May 7, 2019Spring comes to Glacier National Park
May 22, 2021Blue paradise on the Costa Brava
Mar 21, 2020It s World Poetry Day
Feb 23, 2019A view from the top
Jan 13, 2025Happy Welsh New Year!
Jan 27, 2021A dramatic view of Sicily
Sep 25, 2019Chilling out in the Arctic
Jun 9, 2019Crown Fountain by Jume Plensa at Millennium Park in Chicago
Apr 15, 2022World Art Day
Dec 16, 2021Dancing in The Nutcracker
Feb 1, 2022Black History Month
Feb 1, 2018Stuben am Arlberg, Austria
May 4, 2020It s Star Wars Day
Oct 2, 2025Oxbow Bend on the Snake River, Grand Teton National Park, Wyoming
Aug 16, 2021Let s ride! It s Roller Coaster Day
Nov 11, 2025Marine Corps War Memorial, Arlington, Virginia
Jun 14, 2023Flag Day
Feb 1, 2026Black History Month
Jan 5, 2019Art abounds at the Palais Garnier
Nov 6, 2024Shi Shi Beach, Olympic National Park, Washington
Sep 19, 2018Talk like a pirate—or walk the plank
Dec 20, 2018Seasonal lights dazzle in Japan