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Iwaniuk, A.N.; Nelson, J.E. (2003). "Developmental differences are correlated with relative brain size in birds: A comparative analysis". Canadian Journal of Zoology. 81 (12): 1913–1928. Bibcode:2003CaJZ...81.1913I. doi:10.1139/z03-190.
Butler, Ann B.; Cotterill, Rodney M.J. (2006). "Mamillian and avian neuroanatomy and the question of consciousness in birds". The Biological Bulletin. 2 (2): 106–127. doi:10.2307/4134586. JSTOR4134586. PMID17062871. S2CID32723472.
Mattison, Sara (2012). "Training Birds and Small Mammals for Medical Behaviors". Veterinary Clinics of North America: Exotic Animal Practice. 15 (3): 487–499. doi:10.1016/j.cvex.2012.06.012. PMID22998964.
Guido, Jorgelina María; Biondi, Laura Marina; Vasallo, Aldo Ivan; Muzio, Rubén Nestor (2017). "Neophobia is negatively related to reversal learning ability in females of a generalist bird of prey, the Chimango Caracara, Milvago chimango". Animal Cognition. 20 (4): 591–602. doi:10.1007/s10071-017-1083-9. hdl:11336/24482. ISSN1435-9448. PMID28343269. S2CID3896474.
Nelson Slater, Melissa; Hauber, Mark E. (2017). "Olfactory enrichment and scent cue associative learning in captive birds of prey". Zoo Biology. 36 (2): 120–126. doi:10.1002/zoo.21353. PMID28198048.
Butler, Ann B.; Manger, Paul R.; Lindahl, B.I.B.; Århem, Peter (2005). "Evolution of the neural basis of consciousness: a bird–mammal comparison". BioEssays. 27 (9): 923–936. doi:10.1002/bies.20280. PMID16108067.
Butler, Ann B.; Cotterill, Rodney M.J. (2006). "Mamillian and avian neuroanatomy and the question of consciousness in birds". The Biological Bulletin. 2 (2): 106–127. doi:10.2307/4134586. JSTOR4134586. PMID17062871. S2CID32723472.
Guido, Jorgelina María; Biondi, Laura Marina; Vasallo, Aldo Ivan; Muzio, Rubén Nestor (2017). "Neophobia is negatively related to reversal learning ability in females of a generalist bird of prey, the Chimango Caracara, Milvago chimango". Animal Cognition. 20 (4): 591–602. doi:10.1007/s10071-017-1083-9. hdl:11336/24482. ISSN1435-9448. PMID28343269. S2CID3896474.
Bennett, A. T. D. (1993). "Spatial memory in a food storing corvid. I. Near tall landmarks are primarily used". J. Comp. Physiol. A. 173 (2): 193–207. doi:10.1007/BF00192978. S2CID36048127.
Butler, Ann B.; Cotterill, Rodney M.J. (2006). "Mamillian and avian neuroanatomy and the question of consciousness in birds". The Biological Bulletin. 2 (2): 106–127. doi:10.2307/4134586. JSTOR4134586. PMID17062871. S2CID32723472.
Bugnyar, T.; Kotrschal, K. (2002). "Observational learning and the raiding of food caches in ravens, Corvus corax: is it 'tactical' deception?". Anim. Behav. 64 (2): 185–195. doi:10.1006/anbe.2002.3056. S2CID10953959.
Hoffmann, Almut; Rüttler, Vanessa; Nieder, Andreas (1 August 2011). "Ontogeny of object permanence and object tracking in the carrion crow, Corvus corone". Animal Behaviour. 82 (2): 359–367. doi:10.1016/j.anbehav.2011.05.012. ISSN0003-3472. S2CID51913693.
Watve, Milind; Thakar, Juilee; Kale, Abhijit; Puntambekar, S; Shaikh, I; Vaze, K; Jog, M; Paranjape, S; et al. (December 2002). "Bee-eaters (Merops orientalis) respond to what a predator can see". Animal Cognition. 5 (4): 253–259. doi:10.1007/s10071-002-0155-6. PMID12461603. S2CID29565695.
Yosef, Reuven; Yosef, Nufar (May 2010). "Cooperative hunting in Brown-Necked Raven (Corvus rufficollis) on Egyptian Mastigure (Uromastyx aegyptius)". Journal of Ethnology. 28 (2): 385–388. doi:10.1007/s10164-009-0191-7. S2CID45315188.
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Guido, Jorgelina María; Biondi, Laura Marina; Vasallo, Aldo Ivan; Muzio, Rubén Nestor (2017). "Neophobia is negatively related to reversal learning ability in females of a generalist bird of prey, the Chimango Caracara, Milvago chimango". Animal Cognition. 20 (4): 591–602. doi:10.1007/s10071-017-1083-9. hdl:11336/24482. ISSN1435-9448. PMID28343269. S2CID3896474.
Kriengwatana, Buddhamas; Farrell, Tara M.; Aitken, Sean D.T.; Garcia, Laura; MacDougall-Shackleton, Scott A. (2015). "Early-life nutritional stress affects associative learning and spatial memory but not performance on a novel object test". Behaviour. 152 (2): 195–218. doi:10.1163/1568539X-00003239. ISSN0005-7959.
Hoffmann, Almut; Rüttler, Vanessa; Nieder, Andreas (1 August 2011). "Ontogeny of object permanence and object tracking in the carrion crow, Corvus corone". Animal Behaviour. 82 (2): 359–367. doi:10.1016/j.anbehav.2011.05.012. ISSN0003-3472. S2CID51913693.