Scientific Expedition to the Salvage Islands, July 1963. VII. La colonie de puffins cendres Calonectris diomedea borealis (Cory) de Selvagem Grande

Abstract

1) At Selvagem Grande the eggs of Calonectris diomedea borealis begin to hatch in July. In 1963 the first chick was noticed on 21st of July. This is the only precise information known about the annual cycle of the species at the Salvages. It is supposed t