“…Among reptiles recorded in Mongolia (and in this study), the Tuvan Toad-headed Agama (Phrynocephalus versicolor) is the most abundant and widely distributed reptile in the semi-desert and desert regions of Mongolia (Terbish et al 2006b). Similarly, Yadamsuren et al (2018) emphasized that this species might represent the most abundant vertebrate in some parts of Mongolia (see also Murdoch et al 2010). Our surveys indicated that it is the most common herpetofaunal species in northwestern Mongolia (40 individuals recorded at four of six sites).…”