Geography of Scotland example at Aberdeen. Much of the Scottish coastline consists of a machair formation, a dune pasture land formed as sea levels subsided. The east coast has several significant estuaries and other nature reserves including the Ythan Estuary and Fowlsheugh, both of which have been designated as Important Bird Areas. Firths of Scotland include the Solway Firth, Firth of Clyde, and Firth of Lorne on the west coast, and the Cromarty Firth, Moray Firth, Firth of Tay, and Firth of Forth on the east coast. The Pentland Firth is not an inlet, but the strait that separates the Orkney Isles from
Scotland in the Late Middle Ages married Margaret of Denmark, receiving the Orkney Islands and the Shetland Islands in payment of her dowry. However, in 1482 Berwick, a border fortress and the largest port in medieval Scotland, fell to the English once again, for what was to be the final change of hands. Because medieval Scotland lacked the intrusive government and growing bureaucracy that can be found in contemporaneous England, there is very little evidence on which to base reliable estimates of population before the early 18th century. On the basis that it had roughly a sixth of the farmable land of England, it has been