Pembrokeshire used for farming, compared with 60 per cent for Wales as a whole. Pembrokeshire has a number of seasonal seabird breeding sites, including for razorbill, guillemot, puffin and Manx shearwater, and rare endemic species such as the red-billed chough. Grassholm Island has a large gannet colony. The county's wildlife is diverse, with marine, estuary, ancient woodland, moorland and farmland habitats all within the county. An appeal for otter sightings in 2014 yielded more than 100 responses. Seals, whales, dolphins and porpoises can be seen frequently off the Pembrokeshire coast. Pembrokeshire has numerous prehistoric (such as Pentre Ifan) and historic places,
Cuisine of Pembrokeshire have been used to re-stock some oyster beds, although native oysters are making a comeback around Carew, Pembrokeshire and Benton Castle at Milford Haven. However, the shellfish industry has disappeared from around the Llangwm part of the coast. Seabirds were once taken for food and, because they came from the sea and lived on fish, they were regarded as fish for religious purposes, when meat was required to be replaced with fish in the diet. The English built their castles across Pembrokeshire to defend the south of the county from the Welsh to the north. The boundary that developed, known