Porthgwarra to Pordenack Point heath, and for being of considerable ornithological interest; especially for passage migrants. The southern section, Tol Pedn or Gwennap Head, in particular is favoured by birdwatchers and many travel the length and breadth of Britain to track rare seabirds. The headland is renowned for its relative abundance of passing marine bird species with many common species such as northern gannet ("Morus bassanus"), Manx shearwater ("Puffinus puffinus"), common guillemot, ("Uria aalge"), razorbill ("Alca torda"), northern fulmar ("Fulmarus glacialis"), shag ("Phalacrocorax aristotelis") and cormorant ("Phalacrocorax carbo"). Forty-five breeding species have been recorded including the red-billed choughs ("Pyrrhocorax pyrrhocorax") which have recently been
Hutton's shearwater a white underbelly and brown collar, dark borders to the underwing, dark grey bill, and pinkish dark-webbed feet; it can be distinguished from fluttering shearwater by its dark grey "armpits". At a breeding colony it has a loud cackling call. Hutton's shearwater feeds in the open ocean largely on small fish and krill, diving up to 20 m. "Puffinus huttoni" have long bills, which are adapted to catch prey more or less underwater by plunging from a few meters above the surface or by paddling slowly forwards searching with their head submerged, then diving using partly opened wings for propulsion.