The human species throughout its history has left many traces: among the most ancient, there are the signs carved into the rocks, whose often symbolic meanings also date back to tens of thousands of years ago, and it is wonderful to follow the signs that others very before us they left us and put them in relation to the history of the landscape, even in its geological, botanical and zoological components.
FAUNA
The xerothermic oases of the southern slope of the Alps are characterised by climatic and geological peculiarities determined by the combination of an arid climate, frequent wind and temperatures that rarely fall below 0 ° C. The wild species specifically adapted to arid environments, such as those that characterise the whole southern side of the Valle d'Aosta, are not many; there are both species protected by the Habitats Directive such Saga pedo, the largest grasshopper in Europe, some lepidoptera (Callimorpha quadripunctaria, Coenonympha oedippus, Parnassius apollo, Maculinea arion…), and some species of nesting birds listed in the Birds Directive, the which biology is closely linked to the presence of the xeric grasslands such as the Anthus campestris, Lullula arborea, the lark, the rock partridge, Circaetus gallicus, Emberiza hortulana, some species of buntings such as yellow and black and Lanius collurio.