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
May 9, 2026Skradinski Buk Waterfall, Krka National Park, Croatia

More Desktop Wallpapers:

Apr 19, 2024Ring of Brodgar, Orkney, Scotland
Dec 12, 2021Wicker fields in Cañamares, Spain
Mar 26, 2019The forecast calls for blooms
Jul 23, 2021Let the games (finally) begin!
Mar 17, 2025Happy St. Patricks Day!
May 6, 2022Bluebells in Hertfordshire, England
Dec 16, 2022Atlanta Botanical Garden
Feb 28, 2023Atrani, Amalfi Coast, Italy
May 25, 2021An improbable tribute for Towel Day
Mar 6, 2020Hello, harbinger of spring
Jan 30, 2018Watson Lake in Granite Dells, Arizona
Nov 13, 2022River Quoich in Aberdeenshire, Scotland
Oct 30, 2022Polar Bear Week
Sep 25, 2018Walking among the giants
Jul 22, 2025Badlands National Park in South Dakota
Jul 5, 2026Lavender rows, Plateau de Valensole, Provence, France
Sep 19, 2023Splügen Pass, Switzerland
Jul 3, 2023The dog days of summer
Oct 24, 2019Bridge of Hillsborough County
Sep 6, 2024Glenariff Forest Park, Northern Ireland, UK
May 6, 2025An ultralight aircraft flying over the sands of Namibia
Apr 11, 2021The mountain of 30,000 sakura
Jan 16, 2019Up on the glacier
Oct 25, 2022 Park of the Monsters, Bomarzo, Italy
Jul 18, 2019A learning garden
Apr 3, 2024Find a Rainbow Day
Apr 29, 2020Spring comes to the Palouse
Oct 15, 2019The globe skimmers return
Mar 10, 2022Bobbio, Italy
May 15, 2025Palace of Westminster, London, England