Anglesey who could speak Welsh are as follows: Today, Welsh is less widely used on the island, but it is still the dominant language in certain areas, particularly in the centre, including the town of Llangefni, and some areas of the south coast. A notable example is the village of Llanfairpwll. The island's five secondary schools vary widely in the percentage of their pupils who come from predominantly Welsh-speaking homes, as do the percentages who can speak Welsh: The geology of Anglesey is notably complex and is frequently used for geology field trips by schools and colleges. Younger strata in Anglesey
Holy Island, Anglesey Britannia. Cunedda first began warfare against the Irish but ultimately Cadwallon Lawhir defeated the Irish on Holy Island. There are a variety of natural habitats on Anglesey including mudflats, dunes, marshes, and beaches. Practically nothing is left of the oak forest that covered almost all of the island before the arrival of Neolithic farmers. The western side of the island is taken up mainly by Holyhead Mountain, an area of maritime heather moor, which is the highest peak in the county at . The coastal zone between the island and the mainland of Anglesey is a large site of special