An area has formed where the River Lee breaks into a network of channels weaving through a series of wooded islands, forming 85 hectares of swampland around Cork's wooded area. The Environmental Protection Agency carried out a survey of surface waters in County Cork between 1995 and 1997, which identified 125 rivers and 32 lakes covered by the regulations. Land and forestry Like many parts of Munster, Cork has fertile agricultural land and many bog and peatlands. Cork has around 74,000 hectares of peatlands, which amount to 9.8% of the county's total land area. Cork has the highest share of the national forest area, with around of forest and woodland area, constituting 11.6% of the national total and approximately 12% of Cork's land area. It is home to one of the last remaining pieces of native woodland in Ireland and Europe. Wildlife The hooded crow, Corvus cornix is a common bird, particularly in areas nearer the coast. Due to this bird's ability to (rarely) prey upon small lambs, the gun clubs of Cork County have killed many of these birds in modern times. A collection of the marine algae was housed in the herbarium of the botany department of the University College Cork. Parts of the South West coastline are hotspots for sightings of rare birds, with Cape Clear being a prime location for bird watching. The island is also home to one of only a few gannet colonies around Ireland and the UK. The coastline of Cork is sometimes associated with whale watching, with some sightings of fin whales, basking sharks, pilot whales, minke whales, and other species. Coastline Cork has a mountainous and flat landscape with many beaches and sea cliffs along its coast. The southwest of Ireland is known for its peninsulas and some in Cork include the Beara Peninsula, Sheep's Head, Mizen Head, and Brow Head. Brow Head is the most southerly point of mainland Ireland. There are many islands off the coast of the county, in particular, off West Cork. Carbery's Hundred Isles are the islands around Long Island Bay and Roaringwater Bay. Fastnet Rock lies in the Atlantic Ocean 11.3 km south of mainland Ireland, making it the most southerly point of Ireland. Many notable islands lie off Cork, including Bere, Great Island, Sherkin, and Cape Clear. With an estimated of coastline, Cork is one of three counties which claims to have the longest