How do keas (Nestor notabilis) solve artificial-fruit problems with multiple locks?

Animal Cognition
Hiromitsu MiyataKazuo Fujita

Abstract

Keas, a species of parrots from New Zealand, are an interesting species for comparative studies of problem solving and cognition because they are known not only for efficient capacities for object manipulation but also for explorative and playful behaviors. To what extent are they efficient or explorative, and what cognitive abilities do they use? We examined how keas would solve several versions of artificial-fruit box problems having multiple locks. After training keas to remove a metal rod from over a Plexiglas lid that had to be opened, we exposed the birds to a variety of tasks having two or more locks. We also introduced a preview phase during which the keas had extended opportunity to look at the tasks before the experimenter allowed the birds to solve them, to examine whether the preview phase would facilitate the birds' performance on the tasks. In a large number of tests, the keas showed a strong trend to solve the tasks with no positive effect of previewing the tasks. When the tasks became complex, however, the keas corrected inappropriate responses more quickly when they had had chance to preview the problems than when they had not. The results suggest that the keas primarily used explorative strategies in solving t...Continue Reading

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Citations

Oct 5, 2012·Perceptual and Motor Skills·Hiromitsu Miyata, Kazuo Fujita
Jun 27, 2015·Cognition·Andrea RavignaniW Tecumseh Fitch
Oct 19, 2010·Consciousness and Cognition·Hans J Markowitsch, Angelica Staniloiu
Oct 25, 2013·Behavioural Processes·Emma C TecwynJackie Chappell
May 27, 2014·Journal of Experimental Child Psychology·Emma C TecwynJackie Chappell
Jul 3, 2016·Psychonomic Bulletin & Review·Irene M Pepperberg
Apr 12, 2012·Psychological Reports·Hiromitsu Miyata, Kazuo Fujita
Mar 14, 2020·Scientific Reports·Federica AmiciAnja Widdig
Apr 7, 2018·Behavioral Ecology : Official Journal of the International Society for Behavioral Ecology·Angela Medina-GarcíaTimothy F Wright
May 28, 2019·Animals : an Open Access Journal From MDPI·Laureen EschKonstanze Krüger
Sep 28, 2021·PloS One·Konstanze KruegerRichard Byrne

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