![]() ![]() Initially, the female ignores or avoids him, but – provided he meets her approval – will eventually allow him to approach her. Courtship and MatingĪs part of the courtship behavior, the male ruffles his feathers, spreads his tail feathers, extends his wings, and erects his crest. Reproduction Breeding SeasonĬockatoos only breed once a year – usually between December and March, when vegetation growth is at its peak and food is readily available. Sulphur-crested Cockatoos, along with many other parrots, are susceptible to a widespread viral disease known as Psittacine Beak and Feather Disease, which causes the birds to lose their feathers and grow grotesquely shaped beaks. These birds are very long-lived, and can live upwards of 70 years in captivity, although they only live to about 20–40 years in the wild. These parrots produce a very fine powder to waterproof themselves instead of oil as many other creatures do. These birds are naturally curious creatures, as well as very intelligent. Their loud calls are meant to travel through the forest environments in which they live, including tropical and subtropical rainforests. Vocalizations: It also has a loud voice, and in captivity is a capable mimic. A small flashlight may be helpful when assessing the eye color. They reach maturity when they are about 3 years old. Mature females have reddish brown to burgundy red eyes. There are some pale yellow / lemon colored feathers on the underside of the wings, which flash when they fly.
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