Authors: Izquierdo, Pablo;

By the ends of the XX century, the european scavengers populations had dramatically decreased and the cinereous vulture could only be found in the iberian peninsula.
Release projects were developed in France in the 90's and it became clear that comunication between this new populations and the remaining spanish ones was crucial.
Aftear a feasibility study, GREFA developed a reintroduction program in the Pyrenees during the early 2000's in order to build this connection and, later on, a second reintroduction in Burgos to increase the movement within the new colonies.
During the last decade, the number of individuals that travel within this brand new meta-population have increased, giving relevant information that will alow GREFA and other organizations to design new estrategies and release programs.