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Exactly about how can a duck modification its sex?

Exactly about how can a duck modification its sex?

A year ago, I became amazed to get my feminine duck that is mandarin changing into a male. Even while a zoology graduate and anyone who has held wild wild birds in a aviary I had absolutely no idea this could happen, so I started investigating, and it turns out that the way birds express their sex is a fiendishly complex affair since I was 10 years old.

Mandarin ducks are a tiny types of tree-nesting duck that comes from China.

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