Yelkouan shearwater Menorca. A study of these birds recommended that a combination of morphological characteristics and DNA sequence data should be required at least for scientific purposes to assign individual birds to either species. It was formerly considered a subspecies of the Manx shearwater (see there for more on the "Puffinus puffinus" superspecies). After the first split, it was the nominate subspecies of the so-called "Mediterranean shearwater" for nearly ten more years; it is considered a monotypic species now, as the Balearic form "mauretanicus" has been separated as the Balearic shearwater. The yelkouan shearwater appears to belong to a group of Mediterranean
Gwennap Head appropriate time of the year, can see rare animals such as chough ("Pyrrhocorax pyrrhocorax"), great shearwater ("Puffinus gravis"), basking shark and ocean sunfish ("Mola mola"). Tol Pedn was once known as Land’s End, and in the early 19th century was usually called St Leven’s Land’s End in order to distinguish it from the present day Land’s End, which was then called Sennen Land’s End and Cape Cornwall which has also been known as Land's End. It would seem that, in the past Tol-pedn was considered to be a larger area, than what is today considered to be the headland of