Cockatiels are dimorphic, which means males and females look different. Let me give you an example. All you have to do is follow two simple rules: Males are tall and have short hair. Females are short and have long hair. Likewise, there are a lot of incorrect generalities when it comes to sexing cockatiels.
Male Versus Female Cockatiels
Visually sexing your Cockatiel - Mickaboo Public Space - Mickaboo Wiki
Many other pet bird owners are confused about how to sex their Cockatiels. This information is offered for those of us who, as new bird owners, are still struggling with things that more experienced bird owners take for granted. Females have mainly grey faces with only traces of yellow around the beak, eyes, and forehead. Their cheek patches appear duller since there is a wash of grey over the orange and their crests are grey. They have yellow spots on the underside of their flight feathers and conspicuous yellow and grey barring on their tails. After their first molt at 6 to 8 months males lack the tail barring and the flight feather spots but have a bright yellow face and "bib.
How (Not to) Sex Cockatiels
Cockatiels are one if not the most favorite pet birds out there. They are smart, charming, interactive, and beautiful. They have some unique aspects to their personality and appreciating them for who they are is key to living in harmony with Nymphicus hollandicus. Although you can choose to perform a DNA test, you can also use some behavioral tendencies to tell apart the hens female birds from the cocks male birds. Immature birds may not have many behaviors to give you a clue on the gender so you typically will need to wait until months of age.
Last Updated: August 3, References Approved. To create this article, 23 people, some anonymous, worked to edit and improve it over time. There are 11 references cited in this article, which can be found at the bottom of the page.