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 9, 2019A tale of almonds and bees
Jul 23, 2021Let the games (finally) begin!
Jan 18, 2023White Sands National Park turns 90
Nov 28, 2023Giving Tuesday
Apr 30, 2021The Spirit of Harlem by Louis Delsarte
Jun 6, 2025Arromanches-les-Bains for the 81st anniversary of D-Day
Jul 9, 2021A center of antiquity on the Mediterranean
Jul 31, 2025Ring-tailed lemur
Apr 14, 2020A day for the dolphins
Mar 18, 2022Holi festival
Aug 8, 2021Bridge to infinity
Dec 6, 2021Computer Science EDU Week
Feb 26, 2020 The Crown Jewel of the North Atlantic
Jun 2, 2019An island for the birds
Jul 26, 2018Exploring the wilder side of New York
Oct 10, 2019A star blows a bubble
Oct 13, 2019Acadia transformed
Jul 31, 2019Go climb a tree
Jan 29, 2018Vacuum Chamber 5 at Glenn Research Center
Apr 10, 2023Siblings Day
Apr 27, 2019Aloe in bloom
Dec 11, 2019In the Himalayas for International Mountain Day
Apr 24, 2025Spire Cove in Kenai Fjords National Park, Seward, Alaska
Jan 19, 2022Kluane National Park
Jul 2, 2020All Rhodes lead to the beach
Nov 15, 2021Manatee Awareness Month
Aug 30, 2019It s fair season
Oct 4, 2026World Space Week begins
Apr 5, 2021Once upon a time there was a bridge…
Dec 27, 2025Plate ice along Lake Superior, Grand Marais, Minnesota