How to tell a bird’s gender? It is not always easy to tell the gender of birds because all species do not land themselves to gender determination. If you want to know the gender of your bird then the best way is to take them to a veterinarian.

However, there are some obvious indicators of the gender of a bird. This article will provide you a detailed guideline on how to tell a bird’s gender. So if you are interested to know them then keep reading this article till the end.

How To Tell A Bird’s Gender?

Usually, veterinarian determines your bird’s gender by analyzing the DNA through a PCR based test. This test identifies the chromosome pair such as ZW is female a ZZ in males.

How To Tell A Bird's Gender

This test is not invasive and requires only a drop of blood or some plucked feathers. This test can be performed for birds of any age.

Gender Differences By Appearance

Many bird species are dimorphic. It means that they show visible differences between male and female birds.

Gender Differences By Appearance, how to tell a bird's gender


In most cases, male birds have bright and bold colors. These colors are to attract mates. While female birds usually have dull colors with less distinctive spots. These dull colors make it easy for them to blend in with their surroundings so they can build a nest while protecting their babies.



Another common difference between bird genders is their size. In most cases, female birds are larger than males. While in most songbirds the size differences may not be noticeable unless both birds are side by side.

Larger prey birds such as the golden eagle usually have much more prominent size differences between males and females.

Species With Clear Difference

Here is a list of some species that have clear gender difference: Such as:

Species With Clear Difference how to tell a bird's gender


These birds are famous singers. The male canary is the major vocalist and often burst out in song. While a female canary is reserve and does not sing often.


Female cockatiels are usually sweet and shy while the male chirp most of the time. Though cockatiels are monomorphic so they show no difference. But in some cases, check patches on males are brighter orange than females.

Northern Cardinals

Males have a bright red color, while females have a different reddish-tan color.


Many different duck species have outrageous male plumages while females have camouflage.

Humming Birds

Some hummingbird males have colorful gorgets while females have plain throats.

These were some of the indicators to determine the gender of a bird. Some species show a clear difference between males and females through their color or size. While in some cases, it is hard to tell the difference.

I hope you like my post about how to tell a bird’s gender. If you have any queries or want to share your suggestions then write them down ion the comments section. We will be waiting to hear from you. You can also read: