Balearic Shearwater

Puffinus mauretanicus – annual visitor.

Balearic Shearwater – 2012 geolocator study

Puffinus mauretanicus – Aderyn-Drycin Môr y Canoldir – annual visitor. Using combined miniature archival light and salt-water immersion loggers, we characterise the year-round individual at-sea movements of Europe’s only critically endangered seabird, the Balearic shearwater Puffinus mauretanicus, for the first time. Focusing on the non-breeding period, we show that all of the 26 breeding birds tracked […]

Balearic Shearwater – 2006 Strumble Head

Puffinus mauretanicus – Aderyn-Drycin Môr y Canoldir – annual visitor. From one to five birds per occasion were recorded from Skokholm, Skomer, Grassholm, Ramsey, Whitesands Bay, St Davids Head, Fishguard Bay, St Govan’s Head, from the Rosslare to Fishguard ferry and in the Celtic Deep area. However intensive watching at Strumble Head revealed a greater […]

Balearic Shearwater – 2006

Puffinus mauretanicus – annual visitor. Balearic Shearwaters are only known to breed on the Balearic Islands in the western Mediterranean. There is a known breeding population of only 2,000 – 2,500 pairs, which makes it one of the most vulnerable seabirds in the world. Post breeding dispersal has regularly resulted in a proportion visiting the […]

Mediterranean Shearwater – 1994

Puffinus mauretanicus – Aderyn-Drycin Môr y Canoldir – Regular visitor. Not recorded in February and March This bird was not recorded by Mathew (1894) or Lockley et al. (1949), but one was collected in Pembrokeshire in September 1900 and is in a museum at Harvard, USA (per W.R.P. Bourne). It was next noted at the Smalls in […]