P1: localidades muy precisas, normalmente puntos UTM P2: localidades que no superen los 25 km2 P3: localidades imprecisas a las que asignamos muchas celdas
Documentos Azoresbioportal
List Of Rare Birds Observed in the Azores 2005. All the observations recorded during the month of February available on the site www.birdingazores.com
Rodebrand, S. (2012)
Estudio no publicado created on 2012-01-31, last modified on -0001-11-30