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The grey parrot (Psittacus erithacus), also known as the Congo grey parrot, African grey parrot or Congo African grey parrot, is an African parrot in the family Psittacidae. The Timneh parrot (Psittacus timneh) was previously treated as a subspecies of the grey parrot, but has since been elevated to a full species.
The grey parrot is also one of the three parrots that scientists found to commonly suffer from dehydration. Scientists have used plasma osmolality to find more information about the form of dehydration grey parrots have. [17] Another disease that the grey parrots get is cardiomyopathy, which is a heart disease usually presented at a young age.
Showing dull maroon tail. Growing to 28–33 centimetres (11–13 in) in length and weighing 275–375 grams (9.7–13.2 oz), [6] the Timneh is a medium-sized parrot. Its plumage is mainly a mottled grey, with a white face mask and pale yellow eyes.
Parrots, also known as psittacines (/ ˈ s ɪ t ə s aɪ n z /), [1] [2] are the 402 species of birds that make up the order Psittaciformes, found in most tropical and subtropical regions, of which 387 are extant. The order is subdivided into three superfamilies: the Psittacoidea ("true" parrots), the Cacatuoidea (cockatoos), and the ...
N'kisi, another grey parrot, has been shown to have a vocabulary of around a thousand words, and has displayed an ability to invent and use words in context in correct tenses. [91] Parrots do not have vocal cords, so sound is accomplished by expelling air across the mouth of the trachea in the organ called the syrinx.
The family Psittacidae or holotropical parrots is one of three families of true parrots. It comprises the 12 species of subfamily Psittacinae (the Afrotropical parrots) and 167 of subfamily Arinae (the New World or Neotropical parrots ) including several species that have gone extinct in recent centuries.
Psittacinae (Afrotropical parrots, African parrots, or Old World parrots [1]) is a subfamily of parrots, native to sub-Saharan Africa, which include twelve species and two extant genera. Among the species is the iconic grey parrot .
Alex (May 18, 1976 – September 6, 2007) [1] was a grey parrot and the subject of a thirty-year experiment by animal psychologist Irene Pepperberg, initially at the University of Arizona and later at Harvard University and Brandeis University.