Chameleons have evolved a diversity of weaponry. New research determines what these weapons are, and which chameleon groups are the most heavily-armed. Become a Patreon: https://www.patreon.com/herphighlights Merch: https://www.redbubble.com/people/herphighlights/shop Full reference list available here: http://www.herphighlights.podbean.com Main Paper References: Van Kleeck-Hann M, Wiens JJ. 2023. Macroevolution of sexually selected weapons: weapon evolution in chameleons. Evolution:qpad138. DOI: 10.1093/evolut/qpad138. Other Mentioned Papers/Studies: Kang, C., Kim, Y. E., & Jang, Y. 2016. Colour and pattern change against visually heterogeneous backgrounds in the tree frog Hyla japonica. Scientific reports, 6(1), 22601. Editing and Music: Podcast edited by Emmy – https://www.fiverr.com/emmyk10  Intro/outro – Treehouse by Ed Nelson Species Bi-week theme – Michael Timothy Other Music – The Passion HiFi, https://www.thepassionhifi.com