Colour variation within R. hejazicus sp. nov. (or its lack, thereof). Top row: two unvouchered specimens from NEOM, Tabuk Province, KSA (photo credit: Euan Ferguson and Neil Rowntree); bottom left: paratype NMP 76815 (sample code LP760, photo credit: DME); bottom right: paratype MNHN–RA–2023.0013 (sample code JIR544, photo credit: AAI).

 
 
  Part of: Licata F, Pola L, Šmíd J, Ibrahim AA, Liz AV, Santos B, Patkó L, Abdulkareem A, Gonçalves DV, AlShammari AM, Busais S, Egan DM, Ramalho RMO, Smithson J, Brito JC (2024) The missing piece of the puzzle: A new and widespread species of the genus Rhynchocalamus Günther, 1864 (Squamata, Colubridae) from the Arabian Peninsula. Zoosystematics and Evolution 100(2): 691-704. https://doi.org/10.3897/zse.100.123441