Gwennap Head identified steamships were wrecked, stranded or sank in the area. There have been none since 1923. The navigation markers feature as "the Cones of Runnel" in Hammond Innes's 1940 thriller "The Trojan Horse". Gwennap Head is part of the Porthgwarra to Pordenack Point Site of Special Scientific Interest (SSSI) designated for its vegetation of waved maritime heath, and for being of considerable ornithological interest; especially for passage migrants. It 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
Ponta dos Rosais and agricultural areas, with most of the region taken-up by rural activities. Tourists visiting the area are attracted by the diversity of migratory and maritime bird species that nest in the cliffs of the point, including the migratory Corey's Shearwater ("Calonectris diomedea") and Little shearwater ("Puffinus assimilis"), but also the Roseate ("Sterna dougallii") and Common Terns ("Sterna hirundo"). Endemic predator species in these areas include feral cats and dogs, as well as rodents, but the latter limited by local kite species. But, the region is a hothouse of Azorean heather ("Erica azorica") and Forget-me-nots ("Myosotis azorica"). Ponta dos Rosais Ponta