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:

Feb 3, 2021The mountaintop of toppled gods
Jun 24, 2018The Twin Cities celebrate Pride
Jul 7, 2023World Chocolate Day
May 3, 2025Happy International Astronomy Day!
Jul 6, 2020Welcome to the Ring of Fire
Mar 28, 2024Cherry blossoms in Shanghai, China
Sep 21, 2019 The Wall for Peace
Mar 29, 2025Superbloom in Carrizo Plain National Monument, California
May 27, 2026World Otter Day
May 20, 2019The island fox’s incredible comeback
Aug 9, 2025International Day of the Worlds Indigenous Peoples
Apr 9, 2018The Lena Delta Wildlife Reserve in Siberia, Russia
Apr 16, 2019The birth of Bauhaus
Jan 23, 2018Lençóis Maranhenses National Park in Brazil
Aug 23, 2022Menton, France
Jul 2, 2024The ruins of Italica, Andalusia, Spain
Jun 10, 2024The city of Osaka at night, Japan
Apr 17, 2022Easter
Dec 25, 2022Merry Christmas!
Oct 14, 2018Gone ‘lightseeing’ in Berlin
Aug 7, 2019Nubble Island’s only industry
Aug 4, 2019Pups of the prairie
May 29, 2019A ‘circus of chaos’ for Stravinsky
Dec 21, 2021Winter solstice
Aug 6, 2026Migrating wildebeest crossing Mara River in Masai Mara, Kenya
Nov 3, 2019It s time to fall back
Mar 26, 2023Anza-Borrego Desert State Park, California
Dec 10, 2023Sand dunes in the Sahara, Algeria
Apr 28, 2023Arbor Day
Nov 30, 2021Giving Tuesday