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
Cape Byron Marine Park identifies the migratory little tern "(Sterna albifrons)" and the Beach stone-curlew "(Esacus neglectus)" as endangered. Seabirds that utilize the Cape Byron Marine Park are the providence pretal "(Pterodroma solandri)", flesh-footed shearwater "(Puffinus carneipes)", and the masked booby "(Sula dactylatra)" which are protected under the National Parks and Wildlife Act 1974. Although no invertebrates have been identified as endangered or vulnerable, it is important to acknowledge that there are a plethora of invertebrates within the Cape Byron Marine Park which are critical to the health of the local ecosystems. These include a variety of molluscs such as the gold ring cowries