Red-collared lorikeet | |
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George Brown Darwin Botanic Gardens, NT | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Psittaciformes |
Family: | Psittaculidae |
Genus: | Trichoglossus |
Species: | T. rubritorquis |
Binomial name | |
Trichoglossus rubritorquis | |
Synonyms [2] | |
Trichoglossus rubritorquatusFinsch Contents |
The red-collared lorikeet (Trichoglossus rubritorquis) is a species of parrot found in wooded habitats in northern Australia (north-eastern Western Australia, northern Northern Territory and far north-western Queensland). It was previously considered a subspecies of the rainbow lorikeet, but today most major authorities consider them as separate species. [3] [4] No other member of the rainbow lorikeet group has an orange-red collar over the nape.
Every year at the end of the dry season in Darwin, many of them display symptoms of apparent drunkenness. What causes this condition is unclear, [5] though it is thought to be most likely due to a seasonal virus. Intoxication with fermented nectar has been ruled out. [6]
Nicholas Aylward Vigors and Thomas Horsfield described the red-collared lorikeet in 1827. [7] The species name is derived from the Latin words ruber "red" and torquis "neck".
Molecular analysis using mitochondrial cytochrome b showed the red-collared lorikeet is most closely related to a lineage that gave rise to the marigold lorikeet and sunset lorikeet of Indonesia. It is more distantly related to the rainbow lorikeet, the two distinct lineages colonising Australia independently. [8]
No subspecies are recognised, [4] and there is no regional variation. [9]
"Red-collared lorikeet" has been designated as the official common name for the species by the International Ornithologists' Union (IOC). [4] Other common names include orange-naped lorikeet and (incorrectly) blue bonnet. [10]
The red-collared lorikeet measures around 26 centimetres (10 in) long. [9] The feathers of the head and throat are dark brown with blue shafts. There is an orange-red band on the back of the neck. The chest is orange with red. The base of the hindneck is dark blue. The wings are green. The bill is red. The legs and feet are grey-brown. [10] The sexes are similar in plumage while the juvenile has duller plumage and a dark bill. [9]
The red-collared lorikeet is distinguished from the rainbow lorikeet by the latter's green rather than red nape, the lack of a blue mantle and more yellow-green underparts. The two may both occur where their ranges abut east of the Gulf of Carpentaria. [9]
The red-collared lorikeet is found across northern Australia, from King Sound in Western Australia to the Gulf of Carpentaria. It lives in woodland, open forest and rainforest, and has adapted to urban environments readily, being found in towns and cities. [11] The species is sedentary, though follows food supply, such as banksias in flower in April and May on Groote Eylandt. [9]
The species nests throughout its range, in hollows in large trees, generally some distance above the ground. One or two broods are laid each year between August and January or March to June. The clutch consists of two matte white eggs, 23 millimetres (0.91 in) wide by 27 millimetres (1.1 in) long. [11]
The red-collared lorikeet feeds on the flower heads of the Darwin woollybutt ( Eucalyptus miniata ). [10] It sometimes feeds in the company of the varied lorikeet. [9]
Loriinae is a subfamily of psittacine birds, one of the six subfamilies that make up the family Psittaculidae. It consists of three tribes, the lories and lorikeets (Loriini), the budgerigar (Melopsittacini) and the fig parrots (Cyclopsittini), which are small birds, mostly of bright colors and inhabitants of Oceania and the islands of Southeast Asia.
The crimson rosella is a parrot native to eastern and south eastern Australia which has been introduced to New Zealand and Norfolk Island. It is commonly found in, but not restricted to, mountain forests and gardens. The species as it now stands has subsumed two former separate species, the yellow rosella and the Adelaide rosella. Molecular studies show one of the three red-coloured races, P. e. nigrescens, is genetically more distinct.
The scaly-breasted lorikeet is an Australian lorikeet found in woodland in eastern Australia. The common name aptly describes this bird, which has yellow breast feathers broadly edged with green that look like scales.
The rainbow lorikeet is a species of parrot found in Australia. It is common along the eastern seaboard, from northern Queensland to South Australia. Its habitat is rainforest, coastal bush and woodland areas. Six taxa traditionally listed as subspecies of the rainbow lorikeet are now treated as separate species.
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The pale-headed rosella, is a broad-tailed parrot of the genus Platycercus native to northeastern Australia. It is a moderate-size parrot with a pale yellow head, predominantly white cheeks, scalloped black and gold back and pale blue underparts. Two subspecies are recognised, although some authorities consider it to be conspecific with the eastern rosella of southeastern Australia.
The northern rosella, formerly known as Brown's rosella or the smutty rosella, is a species of parrot native to northern Australia, ranging from the Gulf of Carpentaria and Arnhem Land to the Kimberley. It was described by Heinrich Kuhl in 1820, and two subspecies are recognised. The species is unusually coloured for a rosella, with a dark head and neck with pale cheeks—predominantly white in the subspecies from the Northern Territory and blue in the Western Australian subspecies hillii. The northern rosella's mantle and scapulars are black with fine yellow scallops, while its back, rump and underparts are pale yellow with fine black scallops. The long tail is blue-green, and the wings are black and blue-violet. The sexes have similar plumage, while females and younger birds are generally duller with occasional spots of red.
The black-capped lory also known as western black-capped lory or the tricolored lory, is a parrot found in New Guinea and adjacent smaller islands. It is a colourful and relatively robust lory. There are seven subspecies, all with green wings, red heads and body around the wing, a black cap, grey-black cere, yellow underwings, and blue legs and belly. Most also have a blue nape and mantle. It remains overall widespread and common, but the subspecies cyanuchen is relatively rare, with fewer than 5,000 individuals remaining.
A feral parrot is a parrot that has adapted to life in an ecosystem to which it is not native. The birds are often descended from pets that have escaped or been deliberately released. Many species of parrots are highly social, and like to gather in large flocks. Not all feral parrots are able to adapt to life outside of captivity, although having a pre-existing nearby parrot colony can assist with the adaptation process.
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The sunset lorikeet, also known as the scarlet-breasted lorikeet or Forsten's lorikeet, is a species of parrot that is endemic to the Indonesian islands of Bali, Lombok, Sumbawa, Tanah Jampea, and Kalaotoa. It was previously considered a subspecies of the rainbow lorikeet, but following a review in 1997, it is increasingly treated as a separate species.
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