Academic literature on the topic 'Trichoglossus'

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Journal articles on the topic "Trichoglossus"

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Frankel, T. L., and D. Avram. "Protein requirements of rainbow lorikeets, Trichoglossus haematodus." Australian Journal of Zoology 49, no. 4 (2001): 425. http://dx.doi.org/10.1071/zo01005.

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The natural diet of rainbow lorikeets is low in protein but in captivity their diets contain relatively high concentrations of protein. A nitrogen (N) balance study was carried out to determine the protein requirements of lorikeets for maintenance. Five lorikeets were fed each of three diets, containing 3, 7 or 11 g egg white protein (100 g powdered diet)–1 (‘as is’ basis). After 10 days on a diet, lorikeets were placed in metabolism cages and N intakes and N excretion determined over three days. From the regression of N excretion on N intake (y = 0.8664x+ 0.032) endogenous nitrogen loss (ENL) was calculated as 32 mg N (kg body mass)–0.75 day–1 and the maintenance N requirement as 240 mg N kg–0.75 day–1. The ENL is lower than that of other nectarivores but maintenance requirement is greater, indicating an unusually low digestibility for egg white protein (13.3%). Using a conservatively low digestibility of 4.5% for pollen, it can be calculated that 5–6 g pollen (dry matter) per day would provide the 8 mg N day–1 required by a 150-g lorikeet to replace ENL. By eating 150–200 mL nectar, about 30% of requirement could be obtained.
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McOrist, S., and R. A. Perry. "Encephalomyelitis in free‐living rainbow lorikeets(Trichoglossus haematodus)." Avian Pathology 15, no. 4 (January 1986): 783–89. http://dx.doi.org/10.1080/03079458608436340.

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Astuti, Dwi, and Siti Nuramaliati Prijono. "Diversity of The Ornate Lorikeet (Trichoglossus ornatus) Birds Based on Mitochondrial DNA Protein Coding Gene." Biosaintifika: Journal of Biology & Biology Education 10, no. 2 (August 29, 2018): 465–71. http://dx.doi.org/10.15294/biosaintifika.v10i2.13501.

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Ornate lorikeet (Trichoglossus ornatus) is an endemic bird in Sulawesi. Endemism is one of the factors in declining bird’s population. In the case of the birds conservation programme, information about gene diversity is important for basic strategy. Mitochondrial DNA of animals consists of protein coding genes including ND2 gene. This study informs diversity of the Ornate Lorikeet (Trichoglossus ornatus) birds based on DNA sequences of ND2 gene. DNA total was extracted from blood samples of 21 birds. PCR (Polymerase Chain Reaction) was performed and successfully amplified a single DNA fragment of ND2 gene for all birds. DNA fragments were sequenced and totally 997 base pairs were analyzed. NJ tree was constructed using MEGA5. All DNA sequence data showed that between the birds there were 20 polymorphic (segregating) sites with mean genetic distance was 0.004 ± 0.002 (ranged from 0,000 – 0,008), and had 17 sequence haplotypes (HTor1- HTo17). Haplotype diversity (Hd) was 0.967 ± 0.30387 and nucleotide diversity (Pi) was 0.00439 ± 0.0012. Genetic diversity information could be potential relevance to the breeding management for conservation of the birds.
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Ford, Hugh. "Rainbow Lorikeets apparently harvesting orange fungal spores from the underside of willow leaves." Australian Field Ornithology 38 (2021): 29. http://dx.doi.org/10.20938/afo38029029.

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The diet of Rainbow Lorikeets Trichoglossus moluccanus consists largely of nectar and pollen, with some fruit, leaf buds, bark and insects and, more recently, meat provided at bird-feeders. Here, I describe an instance of Rainbow Lorikeets apparently harvesting fungal spores from the underside of leaves of Weeping Willow Salix babylonica, a food item not previously recorded.
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Raymond, J. T., K. Topham, K. Shirota, T. Ikeda, and M. M. Garner. "Tyzzer's Disease in a Neonatal Rainbow Lorikeet (Trichoglossus haematodus)." Veterinary Pathology 38, no. 3 (May 2001): 326–27. http://dx.doi.org/10.1354/vp.38-3-326.

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WILLIS, R. J. "The earliest known Australian bird painting: a Rainbow Lorikeet, Trichoglossus haematodus moluccanus (Gmelin) by Moses Griffith, painted in 1772." Archives of Natural History 15, no. 3 (October 1988): 323–29. http://dx.doi.org/10.3366/anh.1988.15.3.323.

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A previously unknown painting of the rainbow lorikeet, Trichoglossus haematodus moluccanus (Gmelin),1 by the Welsh artist Moses Griffith (1747–1819), servant to Thomas Pennant, appears to be the earliest painting of an Australian bird. The painting, dated 1772, depicts a specimen likely taken to England by Joseph Banks, following Cook's First Voyage (1768–1771), and seen by Pennant and Griffith in London in September 1771.
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Baron, HR, TSY Foo, and DN Phalen. "Humeral air sac cystadenocarcinoma in a rainbow lorikeet ( Trichoglossus moluccanus )." Australian Veterinary Journal 98, no. 4 (April 2020): 168–71. http://dx.doi.org/10.1111/avj.12915.

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SERPELL, JAMES. "Visual displays and taxonomic affinities in the parrot genus Trichoglossus." Biological Journal of the Linnean Society 36, no. 1-2 (January 1989): 193–211. http://dx.doi.org/10.1111/j.1095-8312.1989.tb00490.x.

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Filippich, L. J., and R. Domrow. "Harpyrhynchid Mites in a Scaly-breasted Lorikeet, Trichoglossus chlorolepidotus (Kühl)." Journal of Wildlife Diseases 21, no. 4 (October 1985): 457–58. http://dx.doi.org/10.7589/0090-3558-21.4.457.

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SHUKUROGLOU, PAVLINA, and MICHAEL A. MCCARTHY. "Modelling the occurrence of rainbow lorikeets (Trichoglossus haematodus) in Melbourne." Austral Ecology 31, no. 2 (April 2006): 240–53. http://dx.doi.org/10.1111/j.1442-9993.2006.01588.x.

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Dissertations / Theses on the topic "Trichoglossus"

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Häbich, Annett-Carolin [Verfasser]. "Vergleichende Untersuchungen an zwei Loriarten (Trichoglossus goldiei bzw. Trichoglossus haematodus haematodus) zur Futter- und Wasseraufnahme sowie zur Nährstoffverdaulichkeit und zur Zusammensetzung der Exkremente bei Einsatz verschiedener Einzel- und Mischfuttermittel / vorgelegt von Annett-Carolin Häbich." 2004. http://d-nb.info/973947551/34.

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Rosa, Catarina Pires de Almeida. "Bird talk, the soap opera: vocal and behavioural repertoire of a zoo population of rainbow lorikeets (Trichoglossus moluccanus)." Master's thesis, 2019. http://hdl.handle.net/10451/41455.

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Tese de mestrado, Biologia Evolutiva e do Desenvolvimento, Universidade de Lisboa, Faculdade de Ciências, 2019
Se a comunicação é a base de todas as interações e relações sociais, a comunicação acústica é uma das mais predominantes. Esta forma de transmissão e receção de sinais é muito variada e existe praticamente em todos os animais, mas há certamente alguns que se destacam. Os psitaciformes – ordem que inclui papagaios, araras, catatuas, periquitos, entre outros – são universalmente e historicamente reconhecidos não só pelas suas vocalizações inatas e aptidões de mímica, mas também pelas suas capacidades cognitivas, comparadas às dos primatas. A origem destas duas características ainda é discutida a nível evolutivo, neurobiológico, ecológico, fisiológico, comportamental e acústico. As principais hipóteses evolutivas que as procuram explicar – a social brain hypothesis e a relationship intelligence hypothesis (hipótese de cérebro social e hipótese de inteligência relacional) – baseiam-se muito na complexa estrutura social, na predominância de monogamia e na variação diária de estratégias de alimentação destas aves para o aparecimento destes atributos. Além do mais, os psitaciformes são de grande interesse para a investigação sobre a evolução da linguagem, visto exibirem deriva cultural devido a migração de indivíduos entre populações, resultando em dialetos nos reportórios vocais. Contudo, os psitaciformes estão ainda pouco estudados, sobretudo comparando com a sua fama mundial como mímicos e aves decorativas. São animais de estimação exóticos comuns cujas populações selvagens estão sob pressão devido ao tráfico internacional de longa data, e que, ao mesmo tempo, se tornaram invasores de ambientes diferentes do seu por escaparem de cativeiro ou por serem libertados intencionalmente. Graças a estas duas condições, estão em ação programas de conservação para aumentar os números das populações naturais de várias espécies deste grupo taxonómico em perigo, enquanto elementos de outras espécies se tornaram vizinhos numerosos e inesperados em áreas humanizadas. Propus-me a descrever os reportórios vocal e comportamental numa espécie australiana pouco conhecida de psitaciformes, os rainbow lorikeets (Trichoglossus moluccanus) ou lórios-arco-íris, e correlacioná-los com hipóteses de aprendizagem vocal e evolução de cognição. Esta espécie invasora exibe interações sociais complexas, neofilia e bioacústica diversa e ainda por estudar. Este objetivo foi conseguido através de observações e gravações de comportamento e vocalizações, durante várias semanas, e foram feitas análises estatísticas e acústicas usando espectrogramas e 20 parâmetros acústicos selecionados. Estas revelaram uma dinâmica de grupo complexa entre os 11 indivíduos analisados, com sinais de hierarquia independente do sexo através de interações agonísticas e o casal como a unidade social do grupo. Os seus reportórios comportamental e vocal aqui apresentados são os mais completos nesta espécie até agora, incluindo descrições de 45 comportamentos discretos e as características acústicas de 12 tipos de vocalizações distintos, com a respetiva associação contextual entre os dois repertórios. Um evento de acasalamento completamente registado, sem precedentes em lórios arco-íris, é descrito em detalhe do início ao fim. Adicionalmente, há indícios de uma possível convergência das vocalizações dentro do grupo, devido à falta de diferenças acústicas significativas entre as vocalizações dos indivíduos ou entre as dos dois sexos, o que poderia indicar uma adaptação de indivíduos de origens diferentes origens à vida num grupo fechado ao longo dos últimos anos. Grupos numerosos de Trichoglossus moluccanus têm surgido em algumas das maiores cidades da Austrália, uma mostra do forte poder adaptativo destes psitaciformes de comportamento complexo e capacidades vocais dinâmicas. Analisadas através de um estudo descritivo, algo raramente observado hoje em dia, estas características fazem desta espécie uma mais-valia na investigação tanto de populações selvagens como em cativeiro, em temas como a ecologia de psitaciformes, a influência da presença humana no seu comportamento, a evolução de dialetos e comportamentos ritualizados devido a diferenciação cultural, as capacidades de aprendizagem e mímica vocal, e por fim a evolução da cognição, inteligência e linguagem em geral e em não-primatas. Em simultâneo, descobertas em espécies como estas podem ajudar a melhorar esforços de conservação em espécies semelhantes em vias de extinção, ao aumentar o conhecimento sobre Psittaciformes e ao realçar a importância da assimilação cultural em programas de reintrodução.
Psittaciformes, or parrots, are universally and historically recognized not only for their innate vocalizations and mimicry skills, but also for their cognitive skills, compared to the ones of primates. The origin of these two features is still discussed, many times symbiotically, on various biological and scientific levels. The two main evolutionary hypotheses that explain these – the social brain hypothesis and the relationship intelligence hypothesis – greatly draw on the complex social structure, predominance of monogamy and daily foraging variety of these birds as a basis for the appearance of these attributes. Psittaciformes are, furthermore, of interest on the research of the evolution of language, since they too exhibit cultural drift from flow of individuals between populations, resulting in dialects in the vocalization repertoires. Parrots are, however, not very well studied in relation to their worldwide fame. They are common exotic pets whose wild populations are under threat due to long-lasting intense trading market, and at the same time have become invaders of new environments by escaping or being deliberately released. My aim was to describe the vocal and behavioural repertoires of a previously less-know Australian parrot, Trichoglossus moluccanus, or rainbow lorikeets, and correlate these with hypotheses on vocal learning and evolution of cognition. Through a descriptive study complete by and acoustical approach, these birds showed complex group dynamics between the 11 analysed individuals and evidence of a possible convergence of vocalizations within the group. Their behavioural and vocal repertoire here described are the most complete on this species so far, including 45 behaviours and the acoustic characteristics of 12 call types, with respective contextual association between the two. One fully recorded mating event, unprecedented in rainbow lorikeets, is described in detail. These features make this species one of good value for research on both its healthy wild and captive populations, on themes such as parrot ecology, the influence of the human presence on their behaviour, the evolution of dialects and ritualized behaviours from cultural differentiation, vocal learning and mimicry, and the evolution of non-primate and general cognition, intelligence and language. Findings on species such as these could help improve conservation efforts to similar endangered species, through the increase of knowledge on this taxonomic group, while calling attention to the importance of cultural assimilation in programs for reintroduction.
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Book chapters on the topic "Trichoglossus"

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Pellett, Sarah, and Mary Pinborough. "Enterobacter asburiae infection in Dusky (Pseudeos fuscata) and Ornate Lorikeets (Trichoglossus ornatus)." In BSAVA Congress Proceedings 2019, 460. British Small Animal Veterinary Association, 2019. http://dx.doi.org/10.22233/9781910443699.68.5.

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Conference papers on the topic "Trichoglossus"

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Astuti, Dwi, and Siti Nuramaliati Prijono. "Nucleotide variation in the NADH dehydrogenase subunit-2 gene sequences of Lorikeet (genus Trichoglossus) birds from Sulawesi Island." In TOWARDS THE SUSTAINABLE USE OF BIODIVERSITY IN A CHANGING ENVIRONMENT: FROM BASIC TO APPLIED RESEARCH: Proceeding of the 4th International Conference on Biological Science. Author(s), 2016. http://dx.doi.org/10.1063/1.4953488.

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