Ducks' reproductive organs are inside their bodies, so telling the boys apart from the girls takes a little more expertise if you're attempting to make a distinction based on the plumbing. Still, it's possible to roll a duck over and turn its vent outward so you can see the organs.
You can discern the sex of many other breeds of ducks by their color or bill color. For example, female and male Mallards have very distinctly different coloration, and Abacot Rangers not only have different coloration, but show a different bill color even before they are feathered.
Sep 24, · As such, there are specific methods experienced duck owners use to figure out safely, and precisely, what sex their ducklings are. The majority of these methods will be applicable to most breeds of duck, but there will be some variation when it comes to physical properties (such as color).Views: K. Apr 06, · This does not hurt or traumatize the babies when done properly. Please be sure to be very careful with your babies. Avoid applying pressure to the body or vent of the bird.
Sep 12, · To tell the difference between male and female ducks, look at the duck’s feathers during mating season since male ducks will have very bright coloration to attract mates. Another way to tell the difference between male and female ducks is bill color%(94).
May 28, · This Metzer Farms' video shows you how to determine the sex of day old ducklings and goslings by vent sexing and down color in certain breeds.