| Burghardt, G. M., Ward, B., & Rosscoe, R. (1996). Problem of reptile play: environmental enrichment and play behavior in a captive nile soft-shelled turtle, trionyx triunguis. Zoo Biology, 15, 223–238. |
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| Added by: Admin 23 Aug 2008 15:32:53 UTC |
Pop. 2.5%
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| Burghardt, G. M. (1967). The primacy effect of the first feeding experience in the snapping turtle. Psychonomic Science, 7, 383–384. |
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| Added by: Admin 25 Aug 2008 21:58:00 UTC |
Pop. 2.5%
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| Burghardt, G. M. (1977). Of iguanas and dinosaurs: social behavior and communication in neonate reptiles. American Zoologist, 17(1), 177–190. |
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| Added by: Admin 21 Nov 2009 11:53:07 UTC |
Pop. 2%
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| Burghardt, G. M. (2013). Environmental enrichment and cognitive complexity in reptiles and amphibians: Concepts, review, and implications for captive populations. Applied Animal Behaviour Science, 147(3-4), 286–298. |
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| Added by: Admin 06 Jan 2014 18:24:11 UTC |
Pop. 4.25%
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| Burghardt, G. M., & Hess, E. H. (1966). Food imprinting in the snapping turtle, chelydra serpentina. Science, 151, 108–109. |
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| Added by: Admin 25 Aug 2008 21:58:00 UTC |
Pop. 2.5%
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| Burghardt, G. M., & Layne, D. (1995). Effects of ontogenetic processes and rearing conditions. In C. Warwick, F. L. Frye & J. B. Murphy (Eds.), (pp. 165–185). London: Chapman & Hall. |
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| Added by: Sarina Wunderlich 01 Jan 2009 23:10:30 UTC |
Pop. 3.25%
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| Burghardt, G. M. (1998). The evolutionary origins of play revisited: Lessons from turtles. In M. Bekoff & J. A. Byers (Eds.), Animal Play: Evolutionary, Comparative, and Ecological Perspectives (pp. 1–26). New York: Cambridge University Press. |
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| Added by: Admin 06 Jan 2014 18:22:41 UTC |
Pop. 4.5%
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| Davis, K. M., & Burghardt, G. M. (2007). Training and long-term memory of a novel food acquisition task in a turtle (pseudemys nelsoni). Behavioural Processes, 75(2), 225–230. |
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| Added by: Admin 05 Jan 2009 22:05:13 UTC |
Pop. 2.25%
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| Davis, K. M., & Burghardt, G. M. (2012). Long-term retention of visual tasks by two species of emydid turtles, pseudemys nelsoni and trachemys scripta. Journal of comparative psychology, (epub. ahead of print). |
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| Added by: Sarina Wunderlich 30 Jun 2012 22:00:43 UTC |
Pop. 2.75%
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| Doody, S. J., Burghardt, G. M., & Dinets, V. (2013). Breaking the social–non-social dichotomy: A role for reptiles in vertebrate social behavior research? Ethology, 119(2), 95–103. |
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| Added by: Admin 06 Jan 2014 18:24:20 UTC |
Pop. 4%
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| Froese, A. D., & Burghardt, G. M. (1974). Food competition in captive juvenile snapping turtles, chelydra serpentina. Animal Behaviour, 22, 735–740. |
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| Added by: Admin 25 Aug 2008 20:39:07 UTC |
Pop. 2.25%
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| Froese, A. D., & Burghardt, G. M. (1975). A dense natural population of the common snapping turtle (chelydra s. serpentina). Herpetologica, 31, 204–208. |
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| Added by: Admin 25 Aug 2008 21:58:07 UTC |
Pop. 1.75%
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| Kramer, M., & Burghardt, G. M. (1998). Precocious courtship and play in emydid turtles. Ethology, 104(1), 38–56. |
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| Last edited by: Beate Pfau 29 Aug 2010 08:51:27 UTC |
Pop. 2.5%
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| Krause, M. A., Burghardt, G. M., & Lentini, A. (1999). Improving the lives of captive reptiles: object provisioning in nile soft-shelled turtles (trionyx triunguis). Laboratory Animal, 28(7), 38–41. |
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| Added by: Admin 17 Aug 2008 18:17:19 UTC |
Pop. 2%
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| Manrod, J. D., Hartdegen, R., & Burghardt, G. M. (2008). Rapid solving of a problem apparatus by juvenile black-throated monitor lizards ( varanus albigularis albigularis ). Animal Cognition, 11(2), 267–273. |
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| Added by: Sarina Wunderlich 06 Jul 2014 16:11:51 UTC |
Pop. 4.5%
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