Ducks Adjust the Penis Size, a Societal Need

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There are only two animals that adjust their penis according to environment or societal needs: the sessile hermaphroditic acorn barnacle, and the duck. Now a study published in The Auk: Ornithological Advances show that male ducks can grow their penises to different lengths depending on how many female ducks are around.

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“Discoveries in Animal Sciences” is a forum to showcase latest innovations and discoveries in animal sciences into an easy-to-understand format for general public. All contents are non peer-reviewed and are extracted from recent findings that are considered having high impact on general public and these contents merely represent author/editor/writer’s view.

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