In this fascinating video, we delve into the mating behaviors of the Khaki Campbell duck breed. Known for their prolific egg-laying capabilities, Khaki Campbell ducks display unique courtship and ...

Duck penises evolved their corkscrew shapes as a result of conflict with females.Brennan wondered whether competition among males could also influence their penis development. To find out, she and ...

This unique diving duck has a small body and a relatively large head. The males are colorful and vibrant, with iridescent heads that appear black, purple, or green depending on the light.