Hooded Parrot
Psephotellus dissimilis
A slender and long-tailed parrot restricted to a relatively small range in the Northern Territory, where it inhabits open woodlands. Male a striking turquoise color with black cap, yellow wings, rosy undertail coverts, and olive back. Female primarily pale green with turquoise underparts except for rosy undertail coverts. Slenderer and longer-tailed than Red-winged Parrot and Northern Rosella, with bright yellow shoulders obvious in flight. This species digs tunnels in termite mounds in order to breed. Calls include a sharp "chit."
识别特征
The hooded parrot is a medium-sized parrot, up to 26 cm long, weighing 50 to 60 g. The male has a black head, bluish-grey beak, dark-brown irises, and its wings have a yellow patch. Its upper-parts are brown, its lower parts are turquoise blue, its back is brown, the tail is olive green tipped pale blue, and its legs are pink-grey. The female is a dull-green parrot with a grey-brown head and pink undertail coverts. Juveniles are similar to the female.<p>The male hooded parrot can be distinguished from the similar looking male golden-shouldered parrot mainly by the absence of a pale frontal band, a larger yellow patch on the wings, and absence of the red on the abdomen. The female is very similar to the female Yellow-shouldered parrot being identified by the absence of a pale frontal band and an absence of red on the abdomen.
分类信息
One of three species known as antbed parrots, the hooded parrot is closely related to (and sometimes considered a subspecies of) the golden-shouldered parrot (Psephotellus chrysopterygius). A genetic study revealed its ancestors most likely diverged from ancestors of the latter species in the late Miocene or early Pliocene at the conclusion of the 'Hill Gap'.<p>Norwegian naturalist Robert Collett described the hooded parrot in 1898. Its species name is the Latin word dissimilis "different" and either refers to its sexual dimorphism or its different appearance from its closest relative. Black-hooded parrot is an alternative name.
- 学名
- Psephotellus dissimilis
- 命名信息
- (Collett, 1898)
- 目
- Psittaciformes
- 科
- Psittaculidae
- 属
- Psephotellus
分布与栖息地
An Australian endemic, the hooded parrot inhabits to semi-arid areas of northeast Northern Territory, and is separated from the golden-shouldered parrot by the Carpentarian faunal barrier.<p>Though this species has disappeared from most of its original range, it remains common in protected areas. The hooded parrot is evaluated as Least Concern on IUCN Red List of Threatened Species.
- 迁徙
- Resident species
行为
The diet consists mainly of seeds, berries and vegetables.<p>The hooded parrot digs cavities in termite mounds. It generally chooses conical termite mounds, only successful in flat two dimensional mounds if it digs at the edge rather than on the face of the mound. Excavation takes around three weeks. The tunnel is roughly horizontal and around 50 to 80 cm long.<p>Breeding takes place once or twice a year between April and August. The female lays four or five white, slightly shiny eggs that are 21 long by 19 mm wide.<p>The hooded parrot has a close ecological relationship with the moth species Trisyntopa neossophila. The female moth lays eggs in the parrot nesting cavity, so that the eggs hatch at the same time as the baby hooded parrots. The moth larvae live in small tunnels at the base of the cavity and emerge to eat the dark material of parrot feces, leaving the white uric acid deposits. They build a silk layer across the base of the cavity to protect themselves from chicks. They pupate in the cavity walls once the juvenile parrots leave the nest.<p>The goanna species Varanus tristis has been recorded raiding nests for eggs.<p>The termite mounds are vulnerable to damage by cattle in cattle-breeding areas, which threatens nesting sites. A flock of 28 immature birds perished after drinking water contaminated with tar at a tar spill by the side of the road.
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Greater Ani
Crotophaga major
Anis are bizarre black cuckoos with long floppy tails and unique, very deep and broad-sided bills. Greater is the largest ani, distinctive with its staring yellow eye and glossy blue, green, and purple sheen on the wings and tail. Always associated with water; especially apt to be found low in the forest edge around slow-moving rivers and lakes. Seen in family groups. Widespread in lowlands from Panama to Argentina.
Negros Leaf Warbler
Phylloscopus nigrorum
Small leaf warbler of montane rainforest throughout the Philippines. Dark crown lacking a crown stripe, dark eye-stripe, pale eyebrow, often a faint wing bar and white outer tail feathers. Color varies geographically. Eye-stripe can be yellow, whitish or buff; back is brown or olive-green; and belly whitish, yellow or streaked with yellow. Forages actively in upper levels of forest, often in mixed flocks. Compare with migratory leaf warblers. Song is a rolling series of high-pitched warbling notes.
Southern Variable Pitohui
Pitohui uropygialis
A fairly large bird of mainly secondary lowland and foothill forest edge. As the name suggests, a variably plumaged bird. Males mostly have a black hood, wing and tail with belly and back, chestnut or orange-brown. Males and females of some races have a brown head. Very similar to Hooded Pitohui, but Southern Variable is usually found at lower elevation and has black rather than brown above the base of the tail. Song, a varied, jumbled warble.
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