Work presented to the Monitoring and Management Committee of the protocol for minimizing the impacts resulting from the interaction between the high and medium voltage lines and avian life. Satellite tracking of 3 juvenile Golden Eagles and 2 juvenile Bonelli's Eagles in Northern Portugal. This study was financed by EDP - Energias de Portugal, SA and had the support of Quercus and SPEA - Sociedade Portuguesa para o Estudos de Aves.