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  1. 21
    “…Parrots are one of the rare animal taxa with life-long vocal learning. …”
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    A survey of vocal mimicry in companion parrots
  2. 22
    “…Either alone or in conjunction with smoking, keeping parakeets, canaries, finches or parrots is not a risk factor for lung cancer among hospital patients in New York and in Washington, DC.…”
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    Parakeets, canaries, finches, parrots and lung cancer: no association.
  3. 23
    “…To the best of our knowledge, this is the first report of the incidence of C. psittaci in parrots in Poland.…”
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    Detection and identification of Chlamydophila psittaci in asymptomatic parrots in Poland
  4. 24
    por O’Brien, Stephen J
    Publicado 2012
    “…This is the first article that focuses on the whole genome of a parrot species, one endemic to the USA and recently threatened with extinction. …”
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    Genome empowerment for the Puerto Rican parrot – Amazona vittata
  5. 25
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    Penile Foreskin Avulsion from Parrot Fish Bite
  6. 26
    “…The ability to imitate complex sounds is rare, and among birds has been found only in parrots, songbirds, and hummingbirds. Parrots exhibit the most advanced vocal mimicry among non-human animals. …”
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    Core and Shell Song Systems Unique to the Parrot Brain
  7. 27
    por Goyal, R. K.
    Publicado 1940
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    The Investigation of Parrots in Calcutta for Presence of Psittacosis and Brazilian Virus
  8. 28
    “…Anecdotic citations of food wasting have been described for parrots, but we lack a comprehensive knowledge about the extent of this behaviour, and its ecological and evolutionary implications. …”
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    The extent, frequency and ecological functions of food wasting by parrots
  9. 29
    “…We measured sperm morphology in 62 parrot species that breed mainly in the tropics and related variation in sperm length to life‐history traits potentially indicative of the level of sperm competition. …”
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    Sperm morphology and evidence for sperm competition among parrots
  10. 30
    “…Amazon parrots (Amazona spp.) colonized the islands of the Greater Antilles from the Central American mainland, but there has not been a consensus as to how and when this happened. …”
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    Molecular Phylogeny and Evolution of Amazon Parrots in the Greater Antilles
  11. 31
    “…Little research has been devoted to understanding this link in parrots; yet parrots are well-known for both their exceptionally long lives and cognitive complexity. …”
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    Coevolution of relative brain size and life expectancy in parrots
  12. 32
    “…Until rather recently, the research effort on parrot cognition was lagging behind that on corvids, however current developments show that the number of parrot studies is steadily increasing. …”
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    Recent developments in parrot cognition: a quadrennial update
  13. 33
    “…Parrots are among the most diverse and widely distributed groups of birds and one of the most threatened bird orders mainly due to habitat loss and illegal poaching. …”
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    Nesting innovations in neotropical parrots associated to anthropogenic environmental changes
  14. 34
    “…Other species also signal vocal identity in calls, such as shown in the contact call of parrots. However, it remains unclear to what extent other call types in parrots are individually distinct, and whether there is an analogous voice-print across calls. …”
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    Evidence for vocal signatures and voice-prints in a wild parrot
  15. 35
    “…The virus of parrots and parrakeets discovered by Pacheco, Bier, and Meyer is unrelated to the agent causing psittacosis either in birds or in man. …”
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    A VIRUS DISEASE OF PARROTS AND PARRAKEETS DIFFERING FROM PSITTACOSIS
  16. 36
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    Mycobacterium avium subsp. hominissuis Infection in a Pet Parrot
  17. 37
    “…BACKGROUND: Parrots are one of the most frequently kept and bred bird orders in captivity. …”
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    Being Attractive Brings Advantages: The Case of Parrot Species in Captivity
  18. 38
    por O’Brien, Stephen J
    Publicado 2012
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    Correction: Genome empowerment for the Puerto Rican parrot – Amazona vittata
  19. 39
    “…Specialization to nectarivory is associated with radiations within different bird groups, including parrots. One of them, the Australasian lories, were shown to be unexpectedly species rich. …”
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    Parallel adaptations to nectarivory in parrots, key innovations and the diversification of the Loriinae
  20. 40
    “…Parrot bornavirus 4 is an etiological agent of proventricular dilatation disease, a fatal neurologic and gastrointestinal disease of psittacines and other birds. …”
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    Ribavirin Inhibits Parrot Bornavirus 4 Replication in Cell Culture
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