Ancestors constructed tools

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Leonardo da Vinci

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Leonardo di ser Piero da Vinci, known as Leonardo da Vinci, was an Italian polymath of the Renaissance whose areas of interest included science and invention, drawing, painting, sculpture, architecture, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, paleontology, and cartography.
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What is red data book

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The red data book. The IUCN Switzerland is maintaining a red data book which contains a record of information of a thretened species of plants and animals which are in danger of extinction. The number of animals in this book is over 3,000 while the number of plants is very high over 20,000. This book contains a list of 497 mammals, 1937 birds, 343 fishes, 50 amphibians, 170 reptiles and 1355 invertebrates. India have maximum number of thretended species in this book . The number of plants is 474 while that of animals is over 100. A green book also been published which gives a list of plants growing in protected areas.
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Project tiger

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Project tiger.  The project tiger conservation programme was initiated in 1973 for the purpose of saving the tiger population from extinction in India. This is one of the success stories of of wildlife conservation in the whole world. An estimate of the tiger population in India at the turn of the century placed the figure upto 40,000 subsequently the first ever all India tiger census was conducted in 1972 which revealed the existence of only 1827 tigers.  The project of conservation of tiger was launched by the government of India with the help of international agencies like world wildlife fund etc.  Nine tiger reserves in nine states with a total area of 13,017sq.km were set aside with tiger population of about 300. The main achievements of this project are excellent recovery of the habitat and consequent areas.
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