Portal:Australia

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The Commonwealth of Australia is a country in the Southern Hemisphere comprising the world's smallest continent and a number of islands in the Southern, Indian and Pacific Oceans. Australia's neighbouring countries are Indonesia, East Timor and Papua New Guinea to the north, the Solomon Islands, Vanuatu and New Caledonia to the north-east, and New Zealand to the south-east.

The continent of Australia has been inhabited for more than 42,000 years by Aboriginal and Torres Strait Islander peoples. After sporadic visits by European explorers and merchants from the 17th century onwards, the eastern half of the continent was claimed by the British in 1770, and officially settled as the penal colony of New South Wales on 26 January 1788. As the population grew and new areas were explored, another five largely self-governing Crown Colonies were successively established over the course of the 19th century.

On 1 January 1901, the six colonies federated and the Commonwealth of Australia was formed. Since federation, Australia has maintained a stable liberal democratic political system and remains a Commonwealth Realm. The current population of around 21 million is concentrated mainly in the coastal cities of Sydney, Melbourne, Brisbane, Adelaide and Perth.

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Litoria aurea.

The Green and Golden Bell Frog (Litoria aurea) is a ground-dwelling tree frog native to eastern Australia. It is also known as the Green Bell Frog, Green and Golden Swamp Frog and Green Frog. Measuring 11 centimetres (4.3 in) in length, the Green and Golden Bell Frog is one of the largest Australian frogs. Many populations, particularly in the Sydney region, are in areas of frequent disturbance, including golf courses, disused industrial land, brick pits and landfill areas. Once one of the most common frogs in south-east Australia, the Green and Golden Bell Frog has undergone major population declines, leading to its current classification as globally vulnerable. Population numbers have continued to decline and major threats include habitat loss and degradation, pollution, introduced species, parasites and pathogens, such as the amphibian chytrid fungus.

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The pinnacles with dusk approaching.

The Pinnacles Desert is an area of unique limestone formations within within the Nambung National Park in Western Australia. The desert contains many thousands of pillars, which rise up to five metres, with shape and texture having been defined by calcification processes and erosion. Since the The Pinnacles was incorporated into the national park in the 1960s, the area has become significant tourist attraction.

Photo credit: Sean Mack

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