On a Cory's Shearwater ringed at Selvagem Grande, Madeira (30° 09 N, 15° 52 W) and recovered on Berlenga Island, Portugal (39° 24 N, 9° 30 W)

Abstract

During the work connected with the monitoring of the colony of Cory's Shearwater Calonectris diomedea borealis of the island of Berlenga (started in 1987) a nestling ringed in 1980 in the island of Selvagem Grande was captured. During successive occasions