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Hippopotamus - Wikipedia
Pygmy hippopotamus - Wikipedia
Pygmy Hippopotamus | San Diego Zoo Animals & Plants
Hippopotamus | Size, Diet, Habitat, Evolution, & Images | Britannica
Pygmy Hippopotamus - San Francisco Zoo & Gardens
Summary - Hippopotamus (Hippopotamus amphibius) & Pygmy Hippopotamus ...
Physical Characteristics - Hippopotamus (Hippopotamus …
Pygmy Hippopotamus | Franklin Park Zoo - Zoo New England
Why are pygmy hippos so small? And 6 other pygmy hippo facts
Hippopotamus, facts and photos - National Geographic