Australia
Flora and fauna
Many distinctive forms of plant and animal life are found, especially in the coastal and tropical areas. There are some 500 species of eucalyptus and 600 species of acacia (wattle). Other outstanding trees are the baobab, blackwood, red cedar, coachwood, jarrah, Queensland maple, silky oak, and walnut. Native trees shed bark instead of leaves. Numerous types of wild flowers grow in the bush country, including boronia, Christmas bush, desert pea, flanner flower, Geraldton wax plant, kangaroo paw, pomaderris, and waratah. There are 470 varieties of orchids. About 200 kinds of mammals, 200 kinds of lizards, and 350 kinds of birds are indigenous. Apart from marsupials (bandicoots, kangaroos, koalas, possums, Tasmanian devils, tree kangaroos, and wallabies), the most unusual animals are the dingo, echidna, flying fox (fruit bat), platypus, and wombat. Birds include the anhinga, bellbird, bowerbird, cassowary, emu, galah, kookaburra (laughing jackass), lyrebird, fairy penguin, rosella, and many types of cockatoos, parrots, hawks, and eagles.
Many species of trees, plants, and domestic animals have been imported, often thriving at the expense of indigenous types. Herds of wild buffalo, camels, donkeys, horses, and pigs, descendants of stock that strayed from herds imported by pioneers, roam the sparsely settled areas. The proliferation of rabbits resulted in a menace to sheep, and in 1907, a thousand-mile-long fence was built to keep rabbits out of Western Australia. Subsequently, a similar fence was erected in the east to prevent the incursion of dingos.
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