Ergebnisse der Forschungsreise auf die Azoren 1969: Internationales Forschungsprojekt Makaronesischer Raum. VI. Beitrag zur Avifauna der Azores

Abstract

Among the 31 bird species breeding in the Azores 23 are land breeding birds some of which introduced to the archipelago by man. All of the land bird species are of European or Mediterranean origin. Some of the species are not present on Madeira and the Ca