This episode is all about why snakes have UV colouration. We have a blue-headed lizard for the Species of the Bi-week. 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: Crowell HL, Curlis JD, Weller HI, Davis Rabosky AR. 2024. Ecological drivers of ultraviolet colour evolution in snakes. Nature Communications 15:5213. DOI: 10.1038/s41467-024-49506-4. Species of the Bi-Week: Venegas PJ, García-Ayachi LA, Chávez-Arribasplata JC, Marchelie A, Bullard S, Quispe E, Valencia JD, Odar J, Torres-Carvajal O. 2024. Two new species of wood lizards (Hoplocercinae: Enyalioides) from Cordillera de Colán in north-eastern Peru. Journal of Vertebrate Biology 73. DOI: 10.25225/jvb.23074. Other Mentioned Papers/Studies: Das S, Greenbaum E, Brecko J, Pauwels OSG, Ruane S, Pirro S, Merilä J. 2024. Phylogenomics of Psammodynastes and Buhoma (Elapoidea: Serpentes), with the description of a new Asian snake family. Scientific Reports 14:9489. DOI: 10.1038/s41598-024-60215-2. Editing and Music: Podcast edited by Alex – https://www.fiverr.com/alexanderroses Intro/outro – Treehouse by Ed Nelson Species Bi-week theme – Michael Timothy Other Music – The Passion HiFi, https://www.thepassionhifi.com