How Do Chameleons Change Color? It's Not What You Think

Chameleons mostly don't change color to hide. We go through the real reasons, how a 2015 study found that tiny guanine crystals move apart in the skin, the hidden heat-reflecting layer, the fast tongue, glowing bones, and the Madagascan family of about 200 species. Footage: Pixabay; Wikimedia Commons: James Wasswa (CC BY 4.0); MatthiasKabel (CC BY-SA 3.0); NairobiPapel (CC BY-SA 4.0); Ventrovert (CC BY 4.0). Photos (Wikimedia Commons): Jeremie Teyssier, Suzanne V. Saenko, Dirk van der Marel, Mic (CC BY 4.0); David Dennis from Santa Cruz, CA, USA (CC BY-SA 2.0); B.navez, Charles J. Sharp, H. Zell (CC BY-SA 3.0); Charles J. Sharp, Fungus Guy, JialiangGao www.peace-on-earth.org, Kristof Magnusson, Micha Baum, Syrio, thibaudaronson (CC BY-SA 4.0); Marius Burger (CC0) Music: original composition. #chameleon #animalfacts #reptiles #science #nature