The exploitation of montane ecosystems by agro-pastoral communities has played an important role in the development of these societies in the Caucasus. Mountains can be constraining in winter as snow prevents access to pastures and constrains animal husbandry, but they also provide access to natural resources such as copper ores, obsidian and pastures. As human occupation in the Caucasus mountains is still very little studied, the archaeozoological approach makes it possible to test the hypothesis that zootechnical innovations have led to a more substantial implementation of human communities in the montane ecosystems. The study of faunal remains makes it possible to account for the species that has been exploited (domestic or wild). Cementochronological analyses of herbivores teeth will allow us to determine the seasons of occupation of the sites. Finally, it will be possible to investigate pastoral mobility (horizontal, vertical, etc.), herd feeding (use of fodder) and births seasonality with isotopic ratio analyses in bioapatite (carbon, oxygen, strontium) and collagen (nitrogen, carbon). The first results from various Georgian Chalcolithic and Early Bronze Age archaeological sites will be discussed in this presentation.