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:

Aug 11, 2019Storm rolls over the grasslands
Feb 16, 2019It’s not a pinecone, it’s a pangolin
Aug 22, 2025Rolling hills of the Palouse, Washington
Dec 23, 2021Festivus
Dec 5, 2023Neuschwanstein and Hohenschwangau castles, Bavaria, Germany
Sep 22, 2018Time for brass bands and beer
Mar 17, 2025Happy St. Patricks Day!
Aug 2, 2022Happy birthday, Capitol Reef National Park
Mar 22, 2024World Water Day
Sep 26, 2024Blue-throated toucanet, Los Quetzales National Park, Costa Rica
Apr 4, 2025National Cherry Blossom Festival, Washington, DC
May 31, 2021Here we honor the women who ve served
Aug 30, 2023International Whale Shark Day
Feb 16, 2020When an ideal microclimate gives you lemons…
Dec 31, 2024New Years Eve in Rio de Janeiro, Brazil
Jun 7, 2020A hermitage with a view
Feb 5, 2025Scottish Blackface sheep, Aberdeenshire, Scotland
May 26, 2024Methow Valley, North Cascades, Washington
Feb 17, 2025Presidents Day
Aug 28, 2018Class, please take out a No. 2 pencil…
Nov 14, 2019The perfect canvas for an ancient text
Apr 27, 2025Halemaumau Crater, Hawaii Volcanoes National Park
Jan 23, 2026Þorrablót, Icelandic midwinter festival
Jan 24, 2024Diamond Beach, Iceland
Mar 21, 2019The power of the forest
Dec 16, 2023Guild houses of Grand-Place, Brussels, Belgium
May 20, 2025World Bee Day
Oct 24, 2021Bavljenac Island
Jul 21, 2024Kendwa village, Zanzibar, Tanzania
Jan 23, 2022Wedded Rocks, Japan