Hippopotamus with Open Mouth — Gray

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Hippopotamus with Open Mouth — Brown

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Hippo with Open Mouth — Brown

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Hippopotamus on Riverbank — Gray, Natural

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Hippopotamus Yawning — Green

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Hippopotamus with Open Mouth — Green, Dramatic

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Hippopotamus in Water — Green

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hippo in muddy water

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Hippopotamus in Water — Green, Dramatic, Sunset

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Hippopotamus on Riverbank — Gray

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Hippo with Open Mouth — Green

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hippo in water near trees

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