| 1. | The Hippopotamidae ( comprising hippopotami ) are well-known examples.
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| 2. | These parks offer both animal viewing and hippopotami, and rhinoceroses.
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| 3. | During warmer post glacial periods, elephants and hippopotami roamed the valleys.
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| 4. | The Ulanga river and of its tributary the hippopotami.
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| 5. | The river is full of crocodiles; hippopotami are scarcer in its lower parts.
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| 6. | The park houses many reptile species as well as elephants, giraffes, and hippopotami.
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| 7. | This led some scientists to conclude that hippopotami were most closely related to modern pigs.
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| 8. | More than 400 bird species, including the hippopotami, duikers, and pygmy flying squirrels.
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| 9. | Hippopotami can weigh up to two tons and are extremely territorial, especially during the mating season.
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| 10. | Upon doing so hippopotami rose from the river and allowed them to cross, saving their lives.
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