Please, appreciate the synthesis of 10-years observations on Short-toed Eagle in Provence /map/ made by Richard Frèze:
• Richard Frèze, 2011 – Étude d’une population de Circaètes sur le massif de la Sainte-Baume et les collines environnantes [Study of Short-toed Eagle population on the Massif de la Sainte-Baume and the surrounding hills] – 
(Fr) {rough translation}.