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Hippos: The Life Force of African Rivers


Hippos: The Life Force of African Rivers
សូម​រង់ចាំ
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ទាញ​យក​ពី​តំណភ្ជាប់​ដើម

The hippopotamus is an animal very important to the health of Africa's rivers and lakes. Their dung, or solid waste, helps Africa’s water ecosystem. But researchers warn that hippopotamus populations are decreasing.

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