Dale R, Plotnik J. 2017. Elephants know when their bodies are obstacles to success in a novel transfer task. Scientific Reports 7:46309. DOWNLOAD

Plotnik J, de Waal FBM. 2014. Asian elephants (Elephas maximus) reassure others in distress. PeerJ 2:e278.

Plotnik J, de Waal FBM. 2014. Extraordinary elephant perception. Proc Natl Acad Sci USA 111:5071-5072.

Plotnik J, Shaw R, Brubaker D, Tiller L, Clayton NS. 2014. Thinking with their trunks: Elephants use smell but not sound to locate food and exclude non-rewarding alternatives. Animal Behaviour 88:91-98.

MacLean EL…Plotnik JM, Clayton NS, et al. 2014. The evolution of self-control. Proc Natl Acad Sci USA 111:E2140-2148.

Plotnik J, Pokorny J, Keratimanochaya T, Webb C, Beronja H, Hennessy A, Hill J, Hill V, Kiss, R, Maguire C, Melville B, Morrison V, Seecoomar D, Singer B, Ukehaxhaj J, Vlahakis S, Ylli D, Clayton N, Roberts J, Fure E, Duchatelier A, Getz D. 2013. Visual cues given by humans are not sufficient for Asian elephants (Elephas maximus) to find hidden food. PLoS ONE 8:e61174.

Shaw R, Plotnik J, Clayton NS. 2013. Exclusion in corvids: the performance of food-caching Eurasian jays (Garrulus glandarius) in two sensory modalities, J Comp Psychol doi:10.1037/a0032010.

Plotnik J, Lair R, Suphachoksahakun W, de Waal FBM. 2011. Elephants know when they need a helping trunk in a cooperative task. Proc Natl Acad Sci USA 108:5116-5121.

Plotnik J, de Waal FBM, Moore D, Reiss D. 2009. Self-recognition in the Asian elephant and future directions for cognitive research with elephants in zoological settings. Zoo Biology 28:1-13.

Plotnik J, de Waal FBM, Reiss D. 2006. Self-recognition in an Asian elephant. Proc Natl Acad Sci USA 103:17053-17057.

Plotnik J, Nelson P, de Waal FBM. 2003. Visual field information in the face perception of chimpanzees, Pan troglodytes. Annals of the New York Academy of Sciences 1000: 94-98.

Book Chapters or Invited Commentaries

Plotnik J, Clayton NS. 2015. Convergent cognitive evolution across animal taxa: Comparisons of chimpanzees, corvids and elephants. Concepts: New Directions. MIT Press.

Plotnik J. 2014. Inside the elephant mind. PlanetWildlife Magazine.

Plotnik J, de Waal FBM. 2010. Cooperation. Encyc. Appl. Animal Behav. Welfare (edited by D. Mills et al.). London: CABI Press.

Dr. Joshua Plotnik
Department of Psychology
Hunter College, the City University of New York

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Copyright © 2018, Joshua Plotnik