Distribution and characteristics of urban nesting sites of sympatric swifts

Distribution and nest locations of Common Pallid Swifts are compared in two towns located the Mediterranean zone, Bastia Corsica Nice on French Riviera. Our goal is to evaluate whether nesting site selection by swifts urban settings differs between locations. First, we noted an avoidance distribution both towns. Secondly, our results show that use different sites breed Bastia, whereas same structures used species Nice. Requirement each localities, suggesting more locality dependent than dependent.