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Author Topic: Crested Cockatoo and Galah  (Read 1244 times)
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fern
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« on: November 21, 2009, 04:50:47 AM »

Crested Cockatoo and Galah

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Author : Genkicoll

Category : real birds

Date Added : Oct 2 2009

Updated : N/A

Size : 233.91k

Compatibility : All Game Versions

Description : Two beautiful Australian birds, the Greater Sulfur-crested Cockatoo and the Galah, which is also known as the Rose-breasted Cockatoo.

Greater Sulfer-crested Cockatoo

The Greater Sulfur Crested Cockatoo, Cacatua galerita , is probably the best known of all Cockatoos. It is also the largest. It is white colored with the tail feathers and underside of the wings being yellow. The head is crowned by a bright sulfur-yellow crest, which curves upwards. This crest open ups like a fan when the bird is alarmed. The sexes can be told apart by the colors of the eyes. A male has a very dark, blackish eye, while the females are more brown. They reach a length up to 20 inches.

The Greater Sulfur Crested Cockatoo forages. What does forages mean? in forests and farmlands, feeding on seeds, fruit, nuts, roots and insects and their larvae. The Cockatoo is sometimes considered a pest by farmers, since it digs up the newly sown seeds and raids ripening crops.

The Greater Sulfur Crested Cockatoo is native to Australia, New Guinea and the Aru Islands. It is found in a diversity of environments, such as the forest, savanna/ What does savanna mean?, swamp or farmland. The Cockatoo prefers nesting in large old trees with hollows, often near water.

For most of the year, The Greater Sulfur Crested Cockatoo lives in flocks of up to hundreds of birds. Early in the morning the birds fly to a watering place to drink. From there it can fly long distances to look for food. While most of the birds feed on the ground, a few of them will stay in the trees to look for danger. If an intruder approaches, the lookouts screech loudly and the whole flock flies away. At sundown, the birds return to the trees, where they perch overnight. During mating season, the flock split up in small groups and pairs. To attract a female, the male struts towards the female with his crest fanned out. He moves his head in a figure-eight pattern and make soft, chattering noises. The pair bond by preening each other and touching each other's bills.

The Greater Sulfur Crested Cockatoo nests in a hollow limb in a large tree or a cliff hole. The female lays two or three white, elliptical eggs. Both the male and the female help incubating the eggs. The eggs hatch after about 30 days. After 40 days, the nestlings are ready to leave the nest.

This intelligent bird is very popular in the pet industry, since it can learn to imitate sounds and perform tricks. It has a raucous screeching call.

Source: http://www.thebigzoo.com/Animals/Greater_S...ed_Cockatoo.asp


Galah

The Galah, Eolophus roseicapilla, also known as the Rose-breasted Cockatoo, Galah Cockatoo, Roseate Cockatoo or Pink and Grey, is one of the most common and widespread cockatoos, and it can be found in open country in almost all parts of mainland Australia.

It is endemic in Australia (including Tasmania), where its distinctive pink and grey plumage and its bold and loud behaviour make it a familiar sight in the bush and increasingly in urban areas. It appears to have benefited from the change in the landscape since European colonisation and may be replacing the Major Mitchell's Cockatoo in parts of its range.

The term galah is derived from gilaa, a word found in Yuwaalaraay and neighbouring Aboriginal languages.

Description

Galahs are about 35 cm (14 in) long. They have a pale grey to mid-grey back, a pink face and chest, and a light pink crest. The sexes appear similar, however generally adult birds differ in eye colour; the male has a very dark brown (almost black) iris, and the female has a mid-brown/red iris. Typical birds are about 350 mm long and weigh between 300 and 400 grams.

Flocks of galahs will often congregate, on foot, to forage for food in open grassy areas. This behaviour has led to widespread rumours that the galahs are plotting something - why else would birds walk around on the ground when they could be on the wing? The people of Australia has been warned of this, and are ready to counter the imminent threat posed by a galah uprising.

Distribution and habitat

Galahs are found in all Australian states, and are absent only from the driest areas and the far north of Cape York Peninsula. They appear to have been self-introduced to Tasmania. They are common in some metropolitan areas, for example Perth and Melbourne, and common to abundant in open habitats which offer at least some scattered trees for shelter. The changes wrought by European settlement, a disaster for many species, have been highly beneficial for the galah because of the clearing of forests in fertile areas and the provision of stock watering points in arid zones.

Classification

The classification of the Galah was difficult. It was separated in the monotypic genus Eolophus, but the further relationships were not clear. There are obvious morphological similarities between the galah and the white cockatoos that make up the genus Cacatua and indeed the galah was initially described as Cacatua roseicapilla. Early DNA studies allied the galah with the cockatiel or placed it close to some Cacatua species of completely different appearance. In consequence, it was thought that the ancestors of the galah, the cockatiel and Major Mitchell's Cockatoo diverged from the main white cockatoo line at some stage prior to that group's main radiation; this was indeed correct except for the placement of the cockatiel. Ignorance of this fact, however, led to attempts to resolve the evolutionary history and prehistoric biogeography of the cockatoos, which ultimately proved fruitless because they were based on invalid assumptions to start with.

It fell to the study of Brown & Toft (1999) to compare the previously available data with their mitochondrial 12S rRNA sequence research and resolve the issue. Today, the galah is seen, along with Major Mitchell's Cockatoo, as an early divergence from the white cockatoo lineage which have not completely lost their ability to produce an overall pink (Major Mitchell's) or pink and grey (galah) body plumage, while already being light in colour and non-sexually dimorphic. The significance of these two (and other) characters shared by the Cacatuinae had previously been explained away in earlier studies by strict application of parsimony on misinterpreted data.

Aviary-bred crosses of galahs and Major Mitchell's Cockatoos have been bred in Sydney, with the tapered wings of the galah and the crest and colours of the Major Mitchell's, as well as its plaintive cry. The Galah has also been shown to be capable of hybridizing with the Cockatiel, producing offspring described by the media as 'Galatiels'. Galahs are known to join flocks of Little Corellas (Cacatua sanguinea), and are known to breed with them also.

Subspecies

Three subspecies are usually recognised. The south-eastern form, E. r. albiceps, is clearly distinct from the paler-bodied Western Australian nominate subspecies, E. r. roseicapillus, although the extent and nature of the central hybrid zone remains undefined. Most pet birds outside Australia are the south-eastern form. The third form, E. r. kuhli, found right across the northern part of the continent, tends to be a little smaller and is distinguished from albiceps by differences in the shape and colour of the crest, although its status as a valid subspecies is uncertain.

Breeding

The Galah nests in tree cavities. The eggs are white and there are usually two or five in a clutch. The eggs are incubated for about 25 days, and both the male and female share the incubation. The chicks leave the nest about 49 days after hatching.

Like most other cockatoos, Galahs create strong life-long bonds with their partners.

Galahs as pets

Galahs are highly social and very long-lived; though they are sometimes kept as pets, this is not something to be undertaken lightly as they bond socially with their owners and may well outlive them, and like most cockatoos, are noisy and require a great deal of attention and care. although they are generally considered one of the easier to keep species. They are more closely related to the cockatiel than to the white cockatoos that are more commonly seen as pets. Both male and female galahs are great talkers, but the male is thought to be the better talker. They're very loving and affectionate birds which form a very strong bond with their owner and like to think of themselves as 'part of the family'. However, they do like their privacy at times and are quite happy to simply be around the family rather than be handled all hours of the day.

Australian slang term

"Galah" is also derogatory Australian slang, synonymous with 'fool' or 'idiot'. Because of the bird's distinctive bright pink, it is also used for gaudy dress. A detailed, yet comedic description of the Australian slang term can be found in the standup comedy performance of Paul Hogan, titled Stand Up Hoges. Another famous user of the slang "galah" is Alf Stewart from Home and Away who is often heard saying "Flaming galah!" when he is riled by somebody.

The Australian representative team of footballers which played a series of test matches of International Rules Football against Irish sides in the late 1960s was nicknamed "The Galahs" (see "The Australian Football World Tour).

Source: Wikipedia

These birds are 100% compatible

Date Listed : 21 November 2009


* CrestedCockatooandGalah.jpg (50.19 KB, 312x235 - viewed 579 times.)
« Last Edit: August 12, 2010, 03:56:04 AM by fern » Logged
fern
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« Reply #1 on: August 12, 2010, 02:39:59 AM »

Additional info:

Greater Sulphur Crested Cockatoo        gcCockatooGrtrSulf.ztd            uca: 8051A057 dated 12 September 2009
Galah                                              gcGalah.ztd                           uca: C33B9057 dated 12 September 2009

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« Last Edit: August 12, 2010, 04:37:48 AM by fern » Logged
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