The aim of this study is to investigate the spatio-temporal distribution and ethological analysis of the Agama bibronii in Tissemsilt province. This area of north-west Algeria is characterised by a rugged orography, dominated by rock formations, and these stone masses shelter a remarkable wealth of fauna and flora, including the A. bibronii that is the focus of our study. Field surveys carried out at monthly intervals between 2018 and 2021 in 16 different localities allowed us to observe 41 individuals (including 22 males and 19 females). This study revealed a concentration of A. bibronii populations in the southern part of Tissemsilt, particularly in bare rocky habitats, where the locality of Sidi Bentamra is the most marked, hosting the largest number of individuals. These results contribute to our understanding of the species’ distribution and habitat preferences in the region. The individuals identified at the end of this study will be the subject of an ethological study to better understand the biology and ecology of this reptile.