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7. Antemortem diagnosis of hydrocephalus in two Congo African grey parrots (Psittacus erithacus erithacus) by means of computed tomography. Thurber MI; Mans C; Fazio C; Waller K; Rylander H; Pinkerton ME J Am Vet Med Assoc; 2015 Apr; 246(7):770-6. PubMed ID: 25794127 [TBL] [Abstract][Full Text] [Related]
8. Further evidence for addition and numerical competence by a Grey parrot (Psittacus erithacus). Pepperberg IM Anim Cogn; 2012 Jul; 15(4):711-7. PubMed ID: 22402776 [TBL] [Abstract][Full Text] [Related]
9. Delayed gratification: A grey parrot (Psittacus erithacus) will wait for a better reward. Koepke AE; Gray SL; Pepperberg IM J Comp Psychol; 2015 Nov; 129(4):339-46. PubMed ID: 26214033 [TBL] [Abstract][Full Text] [Related]
10. Number comprehension by a grey parrot (Psittacus erithacus), including a zero-like concept. Pepperberg IM; Gordon JD J Comp Psychol; 2005 May; 119(2):197-209. PubMed ID: 15982163 [TBL] [Abstract][Full Text] [Related]
11. Grey Parrot (Psittacus erithacus) numerical abilities: addition and further experiments on a zero-like concept. Pepperberg IM J Comp Psychol; 2006 Feb; 120(1):1-11. PubMed ID: 16551159 [TBL] [Abstract][Full Text] [Related]
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13. Initial evidence for probabilistic reasoning in a grey parrot (Psittacus erithacus). Clements KA; Gray SL; Gross B; Pepperberg IM J Comp Psychol; 2018 May; 132(2):166-177. PubMed ID: 29528667 [TBL] [Abstract][Full Text] [Related]
14. Reasoning by inference: further studies on exclusion in grey parrots (Psittacus erithacus). Pepperberg IM; Koepke A; Livingston P; Girard M; Hartsfield LA J Comp Psychol; 2013 Aug; 127(3):272-81. PubMed ID: 23421751 [TBL] [Abstract][Full Text] [Related]
16. Simultaneous development of vocal and physical object combinations by a Grey parrot (Psittacus erithacus): bottle caps, lids, and labels. Pepperberg IM; Shive HR J Comp Psychol; 2001 Dec; 115(4):376-84. PubMed ID: 11824900 [TBL] [Abstract][Full Text] [Related]
17. Postnatal development of lateralized motor preference in the African grey parrot (Psittacus erithacus). Snyder PJ; Bonner JA Brain Cogn; 2001; 46(1-2):276-9. PubMed ID: 11527348 [TBL] [Abstract][Full Text] [Related]
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19. Malignant Melanoma of the Syrinx and Liver in an African Grey Parrot ( Psittacus erithacus erithacus). Shrader TC; Carpenter JW; Cino-Ozuna AG; Andrews GA J Avian Med Surg; 2016 Jun; 30(2):165-71. PubMed ID: 27315385 [TBL] [Abstract][Full Text] [Related]
20. Analgesic effects of butorphanol and buprenorphine in conscious African grey parrots (Psittacus erithacus erithacus and Psittacus erithacus timneh). Paul-Murphy JR; Brunson DB; Miletic V Am J Vet Res; 1999 Oct; 60(10):1218-21. PubMed ID: 10791933 [TBL] [Abstract][Full Text] [Related] [Next] [New Search]