Hippopotamus in Water — Green, Calm, Afternoon, Photograph

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Hippopotamus in Water — Green, Calm, Afternoon

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Hippo in Water — Gray, Calm, Photograph

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Hippopotamus Underwater — Gray

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Close-up of a hippo's face

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Hippo in Water — Brown

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Hippopotamus Underwater — Blue, Serene

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Hippopotamus on Riverbank — Gray

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hippo in muddy water

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Two hippos in water

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Tiger Swimming Underwater — Blue

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polar bear cub close-up

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