Mouriño, Jorge, Francisco Arcos, Rafael Salvadores, Antonio Sandoval, and César Vidal. 2003. “Status of the Balearic Shearwater (Puffinus Mauretanicus) on the Galician Coast (NW Iberian Peninsula”. Scientia Marina 67 (S2):135-42. https://doi.org/10.3989/scimar.2003.67s2135.