After 7 years, Japan zoo discovers their male resident hippo is actually a female
Fiona the hippo at Cincinnati Zoo turns 7-years-old Fiona the hippo at Cincinnati Zoo turns 7-years-old 00:33 When Japan’s Osaka Tennoji Zoo took in a hippo named Gen-chan seven years ago, they were told the young animal was a male. Recently, they took a DNA test and found out the mammal is actually a female.
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