You can't until they are a certain age. Before that, while the females quack, the males make a 'whong' or 'woooo' sound. If the bill is yellow-green it is probably a male.
You could also take it to the vet and have it sexed.
1) Their voices are different; females "quack", clear, and loudly, while males are raspy, and much quieter.
2) The males have a curly feather on their tails. Many breeds also have differences in their plumage, look up your breed and look at pictures.
3) The way they behave. If the duck is on top of another, pretty good chances it's a boy!
Well when a duckling reaches the age of around 5-9 weeks, it gets its adults voice. Males make low rasping noises and the females make loud higher pitched noises.
by its fur color
In the original "The Ugly Duckling" story by Hans Christian Andersen, the gender of the duckling is not specified. The focus of the story is on self-discovery and acceptance, rather than on the gender of the main character.
They can be vent-sexed by very careful manipulation of the vent, but it is something that requires practice and is not simple to do. Most people who breed ornamental waterfowl have mastered the technique.
Female is goose and duck.Male is gander and drake.Young is gosling and duckling.
== == duckling
A young duck is called a duckling.
the gender is a guy you can tell
Tagalog Translation of DUCKLING: bibe
A duckling.
The characters in the story "The Ugly Duckling" include the ugly duckling, the mother duck, the other ducks, the swans, and various farm animals. The main character is the ugly duckling who grows into a beautiful swan.
Ugly duckling
Your parents
No. The gender is not related to the relationship of the parents.