Fig. 6 in Another new species of karst-associated pitviper (Serpentes, Viperidae: Trimeresurus) from the Isthmus of Kra, Peninsular Thailand

Fig. 6. Comparison of head colouration (left profile and dorsal view of the head) between members of the Trimeresurus kanburiensis species complex (males). A–B. Trimeresurus kraensis sp. nov. C–D. T. ciliaris Idiiatullina et al., 2023. E–F. T. kanburiensis Smith, 1943. G–H. T. kuiburi Sumontha et al., 2021. I–J. T. venustus Vogel, 1991. Photographs by P. Pawangkhanant (A–F), A. Kaosung (G–H, J) and M. Naiduangchan (I).