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:

Apr 10, 2025Siblings Day
Jul 24, 2025Happy Cousins Day!
Sep 27, 2022Upper Geyser Basin, Yellowstone National Park
Jan 12, 2021Sailing on thick ice
May 30, 2023Playa del Amor, Marietas Islands, Mexico
Mar 24, 2022Red squirrel
Aug 22, 2019Dancing waters of Dubai
Feb 6, 2019Watch your step
Sep 4, 2020A bull, some flowers, and a stratovolcano
Sep 12, 2018A cutting-edge art gallery opens in Paris
Apr 2, 2018Seven Magic Mountains art installation, Jean Dry Lake, Nevada
Aug 19, 2021Happy World Photography Day!
Mar 12, 2024Bryce Canyon National Park, Utah
May 15, 2021Happy Astronomy Day!
Feb 5, 2024Western Monarch Day
Jun 10, 2025Everglades National Park, Florida
Jan 14, 2018Sanday Island and the North Sea, Scotland
Feb 21, 2025Champaka Sarasi, Shivamogga, Karnataka, India
Dec 6, 2021Computer Science EDU Week
May 10, 2022Gifford Pinchot National Forest
Aug 10, 2023World Lion Day
Mar 24, 201930 years after Exxon Valdez
Apr 11, 2019Spring blooms in the Netherlands
Nov 9, 2025Carl Sagan Day
Mar 10, 2022Bobbio, Italy
Feb 17, 2024Black History Month
Apr 12, 2023Earth seen from the International Space Station
Mar 26, 2020Gray days ahead in Monterey
Nov 14, 2019The perfect canvas for an ancient text
Jan 1, 2024Happy New Year!