A shingle beach is a beach which is armoured with pebbles or small to medium sized cobbles. Armor, in Hydrology and Geography is the association of surface Pebbles rocks or Boulders with Stream beds or Beaches Most A pebble is a clast of rock with a Particle size of 4 to 64 Millimeters based on the Krumbein phi scale of Sedimentology Typically the stone composition may grade from characteristic sizes ranging from two to 200 millimeters in diameter. While this beach landform is most commonly associated with Western Europe, examples are found in Qatar, the United States and in a number of other world regions such as the east coast of New Zealand's South Island, where they are associated with the shingle fans of braided rivers. Western Europe at its most general meaning means 'all the countries in the West of Europe ' Qatar ( قطر; ˈqɑtˁɑr local pronunciation giṭar officially the State of Qatar (Arabic دولة قطر transliterated The United States of America —commonly referred to as the New Zealand is an Island country in the south-western Pacific Ocean comprising two main landmasses (the North Island and the South Island The South Island is the larger of the two major islands of New Zealand, the other being the more populous North Island. Not to be confused with the River Braid Ballymena, Northern Ireland. The ecosytems formed by this unique association of rock and sand allow colonization by a variety of rare and endangered species. An ecosystem is a natural unit consisting of all plants animals and micro-organisms( Biotic factors in an area functioning together with all of the non-living physical ( A rare species is an Organism which is very uncommon or scarce An endangered species is a population of an organism which is at risk of becoming Extinct because it is either few in numbers or threatened by changing environmental or predation [1]