Monday, June 27, 2011

Yellow-crested Cockatoo

Cacatua sulphurea Yellow-crested Cockatoo Kakatua-kecil jambul-kuning
description of form
Large (33 cm), noisy, conspicuous, white. Yellow-crested, long-tall, yellow cheeks. Iris dark brown, beak black, legs dark gray.

voice description
Shouting loud and harsh: "Kerk, Kerk, Kerk" and whistles.

habit
Live in pairs or in groups in small quantities. Very striking when flying, with wings fast and powerful movements interspersed with drift and screaming at each other. When being voiced from the perch, crested and dropped enforced. This species is depressed with a surprising population explosion over the last 10-15 years, due to overfishing for the trade in birds in a cage, and now rare due to this activity. Inhabit primary and secondary forest and forest edge higher; also monsoon forests (Nusa Tenggara), high bush forest, rare trees and shrubs that tree cultivation is rare. From sea level to an altitude of 900 m (Sulawesi), 1520 m (Lombok), 1000 m (Sumbawa), 700 m (Flores), 950 + m (Sumba) and 500 + m (East).

Local spread:
Contained in P. Nusa Penida, off the coast of P. Bali. Ras abbotti very rare in P. Large Masalembu, L. Java. Sometimes seen in Java and Bali, the possibility of pet birds that escaped. Three subtypes: 1. (sulphurea) Sulawesi, Muna, Butung, Tanahjampea, Kayuadi, kaleo, Kalaotoa, Honey, Kep. Tukangbesi. 2. (parvula) Lombok, Sumbawa, Komodo, Rinca, Padar, Flores, Pantar, Alor, Semau, Timor. 3. (citrinocristata) Sumba.
Other Information:
C. s. parvula (East Lombok): similar to sulphurea; cheek more pale yellow.

Contained in P. Nusa Penida, off the coast of P. Bali. Ras abbotti very rare on the island of Great Masalembu, L. Java, sometimes seen in Java and Bali, kemungkunan pet birds that escaped.
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