Audubon's shearwater underparts are white, as is the head below eye level. The iris is dark, the feet are dull pink with a black wash and black toenails, and the bill is grey, darker towards the tip, and with a pinkish hue. Males and females look alike. Immature birds do not have a distinct plumage, while the nestlings are covered with down feathers, grey above and whitish on the belly. It can be confused with the Manx shearwater ("P. puffinus"), which has white undertail coverts and in direct comparison a longer bill. Other similar-looking species are usually completely allopatric, though the largely
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