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Three male mallards forcibly copulating with a female. Mating among the species is often non-consensual. : r/natureismetal
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The studied duck species. Male and female of each of the studied duck... | Download Scientific Diagram
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Duck Penises, Mating Habits, and Drake Behavior. An Exchange with Patty Brennan, PhD, Professor of Biology at Mount Holyoke College — Sanctuary @ SHO
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