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but the greatest variety is in the Indomalaya and Australasia ecozones

the two African species of rhinoceros lack teeth at the front of their mouths

the so-called African Faunal Strata (AFSs) can be distinguished

The concept of space is considered to be of fundamental importance to an understanding of the physical universe

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Malawi Beautiful Bird Microgoura Meeki Souvenir Sheet of 6 Stamps Mint NH aircraft but the greatest variety isMalawi Beautiful Bird Microgoura Meeki Souvenir Sheet of 6 Stamps Mint NH Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard shelled eggs, a high metabolic rate, a four chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the 5 cm (2 in) bee hummingbird to the 2. 75 m (9 ft) ostrich. They rank as the world's most