The rescue of flora and fauna seek to prevent, control and mitigate impacts that may cause project activities on the flora and fauna of the intervened ecosystems. Most sensitive species are given special protection and rescue for having economic value and be on a list of national and international conservation. Generated Instructions follow: avoid - reduce –fix- compensate, in that order of preference. The instructions provide recommendations and procedures to achieve ecological management protecting biodiversity. The team of specialists of DOMUS develops required instructional based on ecological principles and environmental regulations. It also takes into account the characteristics of each project, and the ecosystem in which they are in, and the activities to be carried out.