Eleonora cockatoo
| Eleonora cockatoo | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Psittaciformes |
| Family: | Cacatuidae |
| Genus: | Cacatua |
| Species: | C. galerita |
| Subspecies: | C. g. eleonora |
| Trinomial name | |
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Cacatua galerita eleonora Finsch, 1863 |
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| Aru Islands (in red) | |
The Eleonora cockatoo, Cacatua galerita eleonora, also known as medium sulphur-crested cockatoo, is similar in appearance to other subspecies of the sulphur-crested cockatoo. It is native to the Aru Islands in Indonesia, but has also been introduced to Kai Islands. It is common in aviculture.
It is the smallest of the four subspecies of Cacatua galerita, at approx. 44 cm long and weighing in at between 404–602 grammes. Apart from the size difference, the Eleonora differs from the greater sulphur crested in that it doesn't have as prominent white eyerings (they often are a pale blue), the crest of an Eleonora is often less curved and it doesn't have the certain pointy upper mandible, which is only found in Cacatua galerita galerita.
The Eleonora cockatoo often has pale yellow ear patches, and yellow diffusion throughout the body, especially under the wings and tail. The Eleonora also has a bald patch behind its crest.
The Eleonora cockatoo was named by Dr. Otto Finsch. He discovered the subspecies in Amsterdam's Artis zoo and named it after Maria Eleonora van der Schroef, the wife of the then director of the zoo.
In the wild, the Eleonora cockatoo is found in open woodlands, forests, and semi-arid forested areas, as well as partially cleared forest areas. It feeds on nuts, berries, flower buds, flowers, seeds and insects.
The breeding season of this cockatoo is mainly from September to January. The birds build their nests in a tree hollow or rock crevice. The female lays 2–3 white oval eggs, which hatch after a period of 30 days. Both parents incubate the eggs and in turn provide for the chicks. The young fledge after about 75 days.
One notable Eleonora cockatoo is Snowball, a bird recently demonstrated to be capable of beat induction – in other words, that the bird is capable of perceiving a musical beat and dancing to it.
Like all cockatoos, the Eleonora cockatoo is widely considered to be very intelligent and emotionally complex.
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Wikipedia