Duck Phallus Vs Cloaca
Sept. 19, 2024
Duck penis plasticity – yes you read that right | The Waterthrush Blog The Scientist - Via Nature News: "Male ducks respond to sexual competition by growing either an extra-long penis or a nub of flesh." https://buff.ly/2fiq1MH This upgrade in size may increase a male Duck penis plasticity – yes you read that right | The Waterthrush Blog Evidence of phenotypic plasticity of penis morphology and delayed reproductive maturation in response to male competition in waterfowl | Duck Phallus Vs Cloaca
