How to Tell the Differences in Male and Female Cockatoos

There are several ways to tell the difference between male and female cockatoos. Here are a few key features to look for:

1. Size: Male cockatoos are typically larger than females of the same species. For example, in the case of the sulphur-crested cockatoo, the average length for males is around 55-60 centimeters (22-24 inches), while females typically measure around 50-55 centimeters (20-22 inches).

2. Head Shape: The shape of the head can also be a helpful indicator. In many cockatoo species, males tend to have a wider, squarer-shaped head, while females have a narrower, more rounded head.

3. Eye color: The color of the iris in the eye can vary between male and female cockatoos. For instance, in galahs, males have dark brown eyes, while females have brown eyes with a reddish or yellowish-orange ring around the pupil.

4. Feather Coloration: In some species, such as the long-billed corella, males and females have distinct differences in feather coloration. Male long-billed corellas have bright yellow crests and yellow patches on their wings, while females have grayish-white crests and lack the yellow wing patches.

5. Behavior and Vocalizations: Differences in behavior and vocalizations can also provide clues to the sex of cockatoos. For example, male cockatoos are often more vocal and may sing more frequently and with more complexity compared to females.

6. Physical Examination: If you are unable to determine the sex of a cockatoo based on visual cues, a veterinarian can perform a physical examination and determine the sex through internal examination or DNA analysis.

Keep in mind that these are general indicators and there can be individual variations within each species, so it's always best to consult a knowledgeable avian veterinarian or bird specialist for a definitive determination of a cockatoo's sex.