She published her first book with Clive Kessler, Hannah Arendt: Thinking, Judging, Freedom in 1989,[3] followed by Contemporary Western European Feminism in 1990.[4] In 2005, she submitted a second thesis, titled Vocal behaviour of Australian magpies (Gymnorhina tibicen).[5]
In 2011, Kaplan was awarded an honoraryDoctorate of Science by the University of New England.[6] In 2015, she was conferred honorary fellow of the American Ornithological Society.[7] The following year, she was awarded the status of emeritus professor by the University of New England.[8] She also received the Whitley Award in Behavioural Zoology for her book Bird Minds in 2017.[9]
In the 1990s, she began hand-raising and rehabilitating native birds, which she continues to do in her spare time.[13]
Publications
Kaplan has published over 250 research articles and 23 books in total; since 2000 predominantly focussing on animal vocal behaviour, communication and cognition specifically in birds and primates.[1]
Kaplan Gisela (2015) Bird Minds. Cognition and behaviour of Australian nativespecies. CSIRO Publishing, Melbourne. ISBN9781486300181 286 pp
Kaplan, Gisela (2004, 2005, 2008) Australian Magpie: Biology and Behaviour of anUnusual Songbird. Natural History Series, University of New South Wales Press, Sydney & CSIRO 1st ed., Melbourne. ISBN0-643 09068 1 pbk.142 pp
Kaplan, G (2005) The Vocal Behaviour of Australian Magpies (Gymnorhinatibicen): A Study of Vocal Development, Song Learning, Communication andMimicry in the Australian Magpie.[5] PhD thesis, School of Veterinary Sciences, University of Queensland, St. Lucia, Brisbane.
Rogers, Lesley J. and Kaplan, Gisela eds. (2004) Comparative Vertebrate Cognition:Are Primates Superior to Non-primates? Kluwer Primatology Series: Developments in Primatology: Progress and Prospect. Kluwer Academic /Plenum Publishers, New York, Boston, Dordrecht, London, Moscow. ISBN0-306-47727-0 Hbk, 386 pp
Kaplan, G (2003) Famous Australian Birds. Allen & Unwin, Melbourne. ISBN1 86508 835 8 Hbk 48 pp
Kaplan, G and Rogers, LJ (2001) Birds. Their Habits and Skills, Allen & Unwin, Sydney. ISBN1 86508 376 3, 272 pp
Kaplan, G and Rogers, L.J. (2000) The Orang-utans. Their Evolution, Behavior, and Future. Perseus Publishing, Cambridge, Mass. ISBN0 7382 0290 8 (re-edited from 1999), 191 pp
Rogers, L.J. and Kaplan, G (2000) Songs, Roars and Rituals. Communication in birds, mammals and other animals. Harvard University Press, Cambridge (completely rev. version of 1998 pub. Not Only Roars and Rituals). ISBN0674000587, 207 pp
Kaplan, G and Rogers, LJ (1994) Orang-Utans in Borneo, University of New England Press. ISBN1-875821-13-9, 196 pp
Selected book chapters
Rogers, L.J. and Kaplan, G. (2024) Advances in understanding cognition in animals. Ch.4 in L.Levitt, D. B. Rosengard, J.Rubin (eds.) Animals as Crime Victims: Multidisciplinary implications of moving beyond the property paradigm. (pp.53-66) Edward Elgar Publishing. https://doi.org/10.4337/9781802209884.00012
Palmer, G.C., Kaplan, G,. Teixeira, D., Stojanovic, D., Peters,A., Douglas, T.K. (2022) “Perching birds and parrots”, pp. 584-592 (Ch 33) in Wildlife Research in Australia (Eds B Smith, HP Waudby, C Alberthsen & JO Hampton). CSIRO Publishing, Melbourne.
Kaplan, G. (2021) You can make friends with magpies. Here is how. In: A. Hansen (Ed.) No, you’re not entitled to your opinion. And 49 other essays that got the world talking. Thames & Hudson Australia., Port Melbourne.
Rogers, LJ and Kaplan G (2019) Does functional lateralization in birds have any implications for their welfare? Special Issue: Brain Functional Lateralization in Animals. (Ed. A. Quaranta). Symmetry, 11, 1043; doi:10.3390/sym11081043
Kaplan, G (2018). Passerine Cognition. (10,000-word entry): In: Encyclopedia of Animal Cognition and Behavior. Ed. by Jennifer Vonk, Todd K. Shackelford, Springer International Publishing AG/Nature, 6330 Cham, Switzerland
Kaplan, G (2008). The Australian Magpie (Gymnorhina tibicen): An alternative model for the study of songbird neurobiology. In P. Zeigler and P. Marler (eds). The Neuroscience of Birdsong. Cambridge University Press, Cambridge,UK, ISBN9780521869157 pp. 153–170.
Rogers, LJ and Kaplan, G (2005). An Eye for a Predator: Lateralization in birds, with particular reference to the Australian magpie (Gymnorhina tibicen). Behavioral and Morphological Asymmetries in Vertebrates, eds. Yegor Malashichev and Wallace Deckel. Landes Bioscience, Georgetown,TX. ISBN1-58706-105-8 (online)
Kaplan, G and Rogers, LJ (2004) Charles Darwin and animal behavior. In M. Bekoff and Jane Goodall (eds.) Encyclopedia of Animal Behavior. 3 vols, Greenwood Publishing, Westport, CT, ISBN0-313-32745-9, vol.2, pp. 471–479 (introductory essay to vol.2).
Kaplan, G (2004) Magpie Mimicry. In M. Bekoff and Jane Goodall (eds.) Encyclopedia of Animal Behavior. 3 vols., Greenwood Publishing, Westport, CT, ISBN0-313-32745-9, vol.2, pp. 772–774
Rogers, LJ and Kaplan, G (2004) All animals are not equal: the interface between scientific knowledge and the legislation for animal rights. In: CR Sunstein and M Nussbaum (eds.) Animal Rights: Law and Policy. Oxford University Press, Oxford, ISBN0-19-515217-4, pp. 175–204.
Kaplan, Gisela (2004). "Meaningful Communication in Primates, Birds, and Other Animals". Comparative Vertebrate Cognition. pp. 189–223. doi:10.1007/978-1-4419-8913-0_6. ISBN978-1-4613-4717-0. In Rogers, LJ and Kaplan, G (eds) Comparative Vertebrate Cognition: Are Primates Superior to Nonprimates? Kluwer Primatology Series: Developments in Primatology: Progress and Prospect. Kluwer Academic /Plenum Publishers, New York.
Kaplan, G (1998). Economic Development and Ecotourism in Malaysia. The Shaping of Malaysia. Eds. A Kaur & I Metcalfe, St. Martin's Press. London, New York. ISBN1349270792, 9781349270798
Kaplan, Gisela (1999). "Environment and Ecotourism". The Shaping of Malaysia. pp. 173–195. doi:10.1007/978-1-349-27079-8_8. ISBN978-1-349-27081-1. In: Kaur A., Metcalfe I. (eds) The Shaping of Malaysia. Studies in the Economies of East and South-East Asia. Palgrave Macmillan, London
Kaplan, G.; Rogers, L. (1995). "Of Human Fear and Indifference". The Neglected Ape. pp. 3–12. doi:10.1007/978-1-4899-1091-2_1. ISBN978-1-4899-1093-6. In RD Nader, B Galdikas, L Sheehan & N Rosen (eds.) The Neglected Ape. Plenum Press, New York