12-year-old Osaka Tennoji Zoo hippo Gen-chan, previously believed male, confirmed female via DNA test.

Japan's Osaka Tennoji Zoo discovered that a 12-year-old hippopotamus, Gen-chan, previously believed to be male for seven years, is actually female. Zoo staff observed atypical behavior and lack of visible male genitalia, prompting a DNA test that confirmed the hippo's true gender. The zoo plans to continue providing a comfortable environment for Gen-chan and encourages visitors to see her.

April 23, 2024
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