"We recognize the importance of reconfirming the sex of introduced animals, and will take precautions to ensure that this does not happen again," said the zoo Ingrid Vasquez is a Digital News Writer ...
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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