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| Kangaroos |
any of about 47 species of Australasian marsupial mammals comprising the family Macropodidae. "Kangaroo" is also the particular name of all the larger species and some of the smallest, which are described in this article
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| Spiders |
Spiders are abundant worldwide except in Antarctica and usually occur at elevations from sea level to 5,000 m (16,000 feet). Some 34,000 species of spiders have been described.
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| Tigers |
great cat of Asia, the largest member of the cat family (Felidae). Like the lion, leopard, and others, the tiger is one of the big, or roaring, cats; it is rivaled only by the lion in strength and ferocity.
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Amateur Scientists And Common Teasers
