At Cerisy, its goal partly resides in the conservation of an endemical golden sub-species of carabus auronitens, which is protected at national level.

One can sight deer like stags, roe, as well as boars, badgers, foxes.

One is advised to be careful and not perturb the population on foot as well as by car, as accidents are frequent.

Amphibians and insects also constitute a huge wealth, namely the golden endemic carabus auronitens (Chrysocarabus auronitens ssp cupreonitens)[2][3] but also Alpine newt, palmate newt, agile frog, salamanders.

shrubs : holly, knee holm (protégé en forêt de Cerisy), walnut tree and many flowers : wood spurge, foxglove, thimbleweed.