Add Yahoo as a preferred source to see more of our stories on Google. Cute loving couple of colorful ducks. Mandarin duck Aix galericulata female and male. Loving ...

Sperm Storage Tubules (SSTs) allow female ducks to store sperm for extended periods, decoupling insemination from fertilization and enabling delayed fertilization. Female ducks have more control over ...

Duck mating behavior reveals an intense conflict between males and females driven by competing reproductive strategies. Male ducks often pursue forced mating, leading to aggressive encounters that can ...