How to tell if a duck is male or female: 5 best methods for sexing ducks & geese
One most frequently asked question is how to sex ducks or how to tell if a duckling or gosling is male or female. it’s not difficult to tell the gender of a duck or a goose! There are five main clues which are venting, voice or quack sound, size, bill colour and plumage colour. Although we will primarily focus on ducks and ducklings, however, most of these methods will also work on geese and goslings.
Sexing your ducklings or knowing whether your ducks or ducklings are male or female is actually a crucial thing to do if you’re planning to gather a small flock because male ducks, technically known as drakes, can become a problem when it comes to mating if there are not enough female ducks, also known as hens, or if you want to sell ducklings to other poultry farmers who want a specific amount of male and female ducklings.
But how and when do you sex ducks or geese? Well, there are a couple of methods to determine the gender of your ducks or geese and the best time to do it is when they are ducklings. Adult ducks can be very uncooperative when handled. There are many ways to sex ducklings, so let’s talk about all of them!
The best way to determine the gender of waterfowl hatchlings is by vent sexing. The good thing is that it is much easier to tell whether your duck or geese is male or female as compared to performing a similar task for chickens and other land fowl. This is my most preferred method and it is the most reliable method you can use once you acquire the necessary experience required to perform this task. There are four other methods that we will look at so that you can choose one that you are comfortable with. Without wasting much time, let's get into serious business of today's tutorial.
1. VENT SEXING.
The only 100% definitive way to sex ducklings or baby geese of any breed is vent sexing, also called vent checking. Other than waiting to see if the duck or goose will lay an egg, vent sexing or venting is the most accurate method of identifying the sex of your waterfowl. It involves manipulation and observation of the cloaca. If done improperly, vent sexing can result in serious injury to the waterfowl. Keep in mind the younger fowl are especially delicate and susceptible to injury. Adult waterfowl also have powerful wings, sharp nails, and nippy beaks, which can cause you injury. As such it is recommended to learn from an experienced handler before attempting on your own.

