Phalacrocorax aristotelis aristotelis
Common resident, more numerous than Cormorant. Mathew gives the following breeding stations: Ramsey, Skomer, St Margaret’s Island, the channel side of Caldey, and in a cave on the west side of the great Stack. A pair usually breeds at Skokholm and others at Grassholm and Middleholm, and along the whole coast there are scattered pairs.
Pembrokeshire Avifauna 