Hong Kong is now home to the largest population of the species, apart from their native land. The sexes are similar. The yellow-crested cockatoo (Cacatua sulphurea) also known as the lesser sulphur-crested cockatoo, is a medium-sized (about 34-cm-long) cockatoo with white plumage, bluish-white bare orbital skin, grey feet, a black bill, and a retractile yellow or orange crest.. Medium-sized, white cockatoo. Viney, in the same volume also reports them at Victoria Barracks and on Stonecutters Island west of Kowloon. When tightened up, the crest looks like a string of braided hair; when spread out in a fan shape, it resembles a blossoming sunflower, or a crown, on the head. So … 2012). One only need to walk through Hong Kong Park, an oasis in the city’s financial district, to see them frantically flapping their wings and squawking loudly before disappearing behind imposing skyscrapers. In 2005, Yellow-crested Cockatoo was listed in Appendix I of CITES and all international trade of the species has since been banned. Hong Kong has the largest exotic population of the endangered Yellow-crested cockatoo (Cacatua sulphurea) and the majority of the populations were distributed in the northern and western parts of Hong Kong. They build nests in tree holes, and have a special fondness for Kapok Tree. Programs & Projects WPT has worked with numerous partners to help save this species. Over 200 yellow-crested cockatoos, which is 10% of the total population, thrived in Hong Kong and especially in Hong Kong island, due to some accidental releases during trades, Gibson said. Yet illegal poaching is still on the run. Today, Yellow-crested Cockatoo is listed as Critically Endangered—in the IUCN Red List. Over 60 species found in Hong Kong, from the Chinese white dolphin to the yellow-crested cockatoo, are showcased in a colorful new cartoon map. The Yellow-crested Cockatoo (Cacatua sulphurea, 小葵花鳳頭鸚鵡), which is an introduced species, has a white plumage with yellow or orange crest and can be seen in major parks and Mid-Levels on Hong Kong Island. And in Indonesia, they exported over 78,000 yellow-crested cockatoos in that period to various places, including the US, Europe, Hong Kong, Singapore. Its screeching call is often the first indication of its presence and it is usually seen flying high overhead against the backdrop of the modernistic skyline - a far cry from the landscape in its native range which is Sulawesi and the islands in the Flores and Java Seas. You simply cannot overlook this charming creature! An often repeated story is that Hong Kong Governor Sir Mark Aitchison Youngreleased the Governm… It is likely extirpated from Lombok (F. Verbelen in litt. Locally, Yellow-crested Cockatoos mostly inhabit woods or forest margins. Coincidentally, many of the same species have been introduced to urban centres or wilderness areas outside their natural ranges. Their varied behaviours attract many birdwatchers. Yellow-crested Cockatoo is lovely and people friendly. While the Hong Kong Bird Watching Society has no data on the number of yellow-crested cockatoos caught and sold illegally every year in recent decades, the Trade Records Analysis of Flora and Fauna in Commerce (TRAFFIC)—the global non-governmental wildlife trade monitoring organisation—reported that there were at least four seizures of 462 Indonesian … The powerful beak allows the bird to break the hard shell of the fruits. The female Cockatoo lays two to three eggs in a tree hole. Image by Charles Lam Webster, in Levers book "Naturalized birds of the world" motions them occurring in Happy Valley and the university. Yellow-crested Cockatoo Cacatua sulphurea Characteristics: About 33 cm long. The yellow-crested cockatoo (Cacatua sulphurea) also known as the lesser sulphur-crested cockatoo, is a medium-sized (about 34-cm-long) cockatoo with white plumage, bluish-white bare orbital skin, grey feet, a black bill, and a retractile yellow or orange crest. It can be said to be the happy refuge of these immigrants! HK Magazine Friday, February 18th 2005, pp6-7, Birds in backyards factsheets: Sulphur-crested Cockatoo. This cockatoo inhabits forest, forest edge, scrub and cultivated areas from sea-level up to about 1500 meters. N.J. Collar, N.J.; and Marsden, S.J. The yellow-crested cockatoo is found in wooded and cultivated areas of East Timor and Indonesia's islands of Sulawesi and the Lesser Sundas. (2014). A parrot native to Indonesia and Timor Leste, the yellow-crested cockatoo (Cacatua sulphurea) also exists in Hong Kong and Singapore, descended from escaped pets brought from Indonesia. An introduced population of these birds is found in Hong Kong They are a common sight across the densely populated area on both sides of the harbour, easily spotted in the woods and public parks in the north and west of Hong Kong Island. They are in fact not indigenous to Hong Kong but are happy immigrants. Hong Kong is home to Critically Endangered Yellow-crested Cockatoo (photo credit: Timothy Bonebrake) The exhaustive international trade of wildlife has pushed many species to the brink of extinction. The local population of Yellow-crested Cockatoo is estimated to be about 200, accounting for 10% of the world total. Introduced species. However, their loud, strident calls, particularly as dusk approaches, before they return to the nests, sometimes cause problems for nearby residents. The eggs are white and usually two in a clutch. Meanwhile, their original population is far away, and on the brink of extinction! In fact, the very noisy birds were often heard before being seen. The yellow-crested cockatoo (also known as to be lesser sulfur-crested cockatoo) to be more precise. They are commonly seen in large parks and Mid-levels of north Hong Kong Island, particularly Hong Kong Park. IMAGE: Yellow-crested cockatoo in Hong Kong.view more Credit: Peter and Michelle Wong The exhaustive international trade of wildlife has pushed many species to … Breeding in Australasia: Sulawesi, Lesser Sundas; can be seen in 5 countries. It also has the largest air-conditioned greenhouse in the Southeast Asia. The research team Jockey Club – Fluvial Liveliness of Water Gathering Grounds. It is easily confused with the larger[2][3] and more common sulphur-crested cockatoo, which has a more easterly distribution and can be distinguished by the lack of pale yellow coloring on its cheeks (although some sulphur-cresteds develop yellowish patches). Originally, it is found on Moluccas, Indonesia. [2], An introduced population of these birds is found in Hong Kong[9] They are a common sight across the densely populated area on both sides of the harbour, easily spotted in the woods and public parks in the north and west of Hong Kong Island. White plumage with yellow or orange crest. Furthermore, as the cockatoos have the habit of biting off young twigs, experts have worried whether they will affect local tree health. The yellow-crested cockatoo(Cacatua sulphurea) also known as the lesser sulphur-crested cockatoo, is a medium-sized (about 34-cm-long) cockatoowith white plumage, bluish-white bare orbital skin, grey feet, a black bill, and a retractile yellow or orange crest. Yellow-crested and sulphur-crested cockatoo on Flickr - Photo Sharing! Hong Kong has a feral population of these escaped birds. The Yellow-crested cockatoo native to East Timor and Indonesia's islands of Sulawesi and the Lesser Sundas. The incubation is shared by both parents. Experts believe that the first batch of cockatoos that landed in Hong Kong were the ones escaped from international trade as early as in 1850. Its population on this tiny island (about 5 km2 or 1.9 mi2) had fallen to 10 as of June and July 2008. The Yellow-crested Cockatoo is a large whitish parrot. Yellow-Crested Cockatoo, Cacatua sulphurea, Central, Hong Kong. One of the exceptions is Yellow-crested Cockatoo in Hong Kong. When the crest is spread out, it looks beautiful, like a crown! HB139 小葵花鳳頭鸚鵡_2 Yellow-Crested Cockatoo, Cacatua sulphurea, Central, Hong Kong. The courtship of yellow-crested cockatoos involves mutual preening, erect crests, and head bobbing. Traditionally, four subspecies have been recognized: Based on recent evidence, three additional subspecies should be recognized (bringing the total to seven):[6], The yellow-crested cockatoo nests in tree cavities. Yellow-crested Cockatoos often gather in groups. A new study by the University of Hong Kong estimates there are up to 200 yellow-crested cockatoos – a non-native species – living in the city, mostly between Pok Fu Lam and Happy Valley. Besides yellow-crested cockatoos, globally, 48 other threatened species have been introduced outside their native distributions by international trades, said Gibson. Globally, out of the 2,000 yellow-crested cockatoos left in the wild, 10% of them are in Hong Kong. The Yellow-crested Cockatoo may also tackle large coconuts (Cocos nucifera) for food. "Project Bird Watch / Indonesian Parrot Project - How You Can Help", "How an endangered cockatoo took over Hong Kong", images and movies of the yellow-crested cockatoo, mytoos.com - information on cockatoos in captivity, Major Mitchell's cockatoo (or Leadbeater's cockatoo), Yellow-crested cockatoo (or lesser sulphur-crested cockatoo), Salmon-crested cockatoo (or Moluccan cockatoo), https://en.wikipedia.org/w/index.php?title=Yellow-crested_cockatoo&oldid=998639624, IUCN Red List critically endangered species, Беларуская (тарашкевіца)‎, Creative Commons Attribution-ShareAlike License, Native (blue) and introduced (red) ranges of, This page was last edited on 6 January 2021, at 09:57. Also, the yellow-crested cockatoo's crest is a brighter color, closer to orange. Both parents incubate the eggs for about 27 days. “This is a key example of how Hong Kong – a heavily urbanised city-state – can play a role in the conservation of globally threatened species,” said co-author Ding Li Yong, from the Australian National … The bird is easily found locally, as Hong Kong has become home to the second largest wild population of the species. Physical Description 33-35 cm. Almost all invasive species are common in their original habitats. Yellow-crested Cockatoo (Cacatua sulphurea) bird call sounds on dibird.com. Apart from nectar, they also feed on fruits and seeds. There is also introduced population in Hong Kong developed from caged birds that have been released. 小葵花鳳頭鸚鵡父母與兩隻雛鳥。The Yellow-crested Cockatoo parents were taking care of their two babies in this narrow tree hole. It has a snowy white body and pale yellow ear coverts, underwings and tail feathers. The yellow-crested cockatoo is one such example. But there are local concerns that the species Yellow-crested Cockatoos, often gather and forage in groups, and are easily observed. As a child, these cockatoos could often be spotted in our garden in Hong Kong. In fact, their target is the nectar. Nonetheless, they are not so rare in Hong Kong. A feral population of several hundred birds exists in Hong Kong, outside of the species’s natural range. It has since been moved to Appendix I. The sexes are similar. [2], The subspecies C. s. abbotti is found only on the island of Masakambing. Cockatoo species facing extinction The Yellow-crested Cockatoo (Cacatua sulphurea) is Critically Endangered in the wild.Progress and outcomes: After the Yellow-crested Cockatoo was added to CITES Appendix I in 2005 WPT and a Swiss member funded part of the work of Kinnaird and O'Brien from the Wildlife Conservation Society (WCS), to study the Citron-crested Cockatoo (C. … The birds are commonly found in the city as they live in the neighbourhood. The decline results from trapping and logging, especially of mangrove (Avicennia apiculata) and kapok trees. Hong Kong Park Located next to the High Court, the Hong Kong Park is opened since 1991 and is by far the biggest park in the urban area. Tung Chung River Basin, Estuary and Coastal Areas Monitoring and Survey, “Love Nature” Environmental Education Programme, ECF “Exploring Ecology in City” Environmental Educational Programme for Kindergartens, Jockey Club Community Sustainability Fund - Family Urban Nature (FUN) Project, Hong Kong’s First Drink Carton Recycling Campaign, Clean Up the World in Hong Kong - Less Waste in Mid-Autumn Festival. [1] Numbers have declined dramatically due to illegal trapping for the cage-bird trade. Yellow-crested Cockatoo (Cacatua sulphurea) belongs to the Family Cacatuidae. [5], The yellow-crested cockatoo is critically endangered. The eggs are incubated for about 28 days and the chicks leave the nest about 75 days after hatching. Critically endangered in eastern Indonesia and Timor Leste, small but stable populations can be found in Hong Kong and Singapore. The plumage of the yellow-crested cockatoo is more of a white overall, but their ear coverts, under tail feathers, underwings, and crest, are all colored with a bright yellow. The large group has apparently developed from a number of caged birds that have been released into the Hong Kong area over many years. Facing no natural enemies here and with the extra protection of the law, the species hence established a stable population in Hong Kong. [8], Several national parks provide protection of their habitat, including Rawa Aopa Watumohai National Park on Sulawesi, Komodo National Park on Komodo Island, the national parks of Manupeu Tanah Daru and Laiwangi Wanggameti on Sumba, and the Nino Konis Santana National Park in East Timor (Timor-Leste). Yellow-crested Cockatoo bird information Values Conservation status CR - Critically endangered Take a stroll in Hong Kong Park before night falls, and you will surely encounter a flock of them gathering. An often repeated story is that Hong Kong Governor Sir Mark Aitchison Young released the Government House's entire bird collection – including a large number of yellow-crested cockatoos – hours before surrendering Hong Kong to Japanese troops in December 1941.[10]. They build nests in tree holes, and have a special fondness for Kapok Tree. Since the end of the 19th century, the species has been the target of capture for the pet trade, due to its beautiful appearance. Yellow-crested Cockatoo is native to Indonesia and East Timor. [2] The current population is estimated at fewer than 2,500 individuals and is thought to be declining in number. They are commonly seen in large parks and Mid-levels of north Hong Kong Island, particularly Hong Kong Park. Distribution: Often seen in major parks and Mid-Levels on Hong Kong Island. So far, no such impact has been observed. [4] The citron-crested cockatoo, which is a subspecies of the yellow-crested cockatoo, is similar, but its crest is clearly orange.[5]. Between 1980 and 1992, over 100,000 of these birds were legally exported from Indonesia, yet a German proposal submitted to CITES to move it to Appendix I[7] was not approved. The yellow-crested cockatoo's diet consists mainly of seeds, buds, fruits, nuts, and herbaceous plants. Locally, Yellow-crested Cockatoos mostly inhabit woods or forest margins. Lesser Sulpher crested cockatoo at Hong Kong park. Whenever Kapok Tree is in blossom, the cockatoos bite the flowers as if having fun in breaking the flowers into pieces. The large group has apparently developed from a number of caged birds that have been released into the Hong Kong area over many years. 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