Article Nº 0155 Bird Vol. I · p. 92
Bulwer’s petrel (Bulweria bulweri)
Original title: Alma negra (Bulweria Bulweri)
Bulwer's petrel, a seabird that breeds in summer on the sea cliffs of all the islands of the archipelago and migrates away in autumn.
A web-footed bird. It breeds during the summer on the sea cliffs of all the islands of the archipelago and migrates away at the end of autumn, returning in the first weeks of spring. Its clutch consists of a single egg laid on the ground or in holes in the rocks.