Autumn migration of some passerines on the island of Capri, southwestern Italy.
This paper presents and analyses autumn migration data on phenology and biometrics for 12 species of birds trapped at the Capri Bird Observatory, south-western Italy. The material has been collected over 15 years, mainly in two periods, 1959-1963 and 1994-2004. The passage of trans-Saharan migrants (like the Garden Warbler Sylvia borin) peaks in late September and these birds generally carry moder
