Background and activities


BI2044 Ethology - course leader

BI3040 Behavioural Ecology - course leader



Social evolution, the evolution of cooperation and conflict, parental care, parent-offspring conflict, cooperative breeding in birds. Individual variation, phenotypic plasticity, life-history evolution and adaptations to environmental stochasticity.



PUBLICATIONS (.pdf files available on request)

  • Ranke, P.S., Araya-Ajoy, Y.G., Ringsby, T.H., Pärn, H., Saatoglu, D., Rønning, B., Jensen, H., Wright, J. & Sæther, B.-E. (2021) Spatio-temporal variation in dispersal in a house sparrow metapopulation: effects of population size and habitat type. J. Anim. Ecol. 90, 2767-2781.
  • Fjelldal, M.A., Wright, J. & Stawski, C. (2021) Nightly torpor use in response to weather conditions and individual state in an insectivorous bat. Oecologia. 197, 129-142.
  • Bonner, S., Kim, H.-N., Westneat, D., Mutzel, A., Wright, J. & Schofield, M. (2021) Dalmatian: a package for fitting double hierarchical linear models in R via JAGS and nimble. J. Statl. Software. 100, 1-25.
  • Parthasarathy, B., Somanathan, H. & Wright, J. (2021) Long-term behavioural syndrome in subadult Indian social spiders, but not over the short-term or in juveniles. Ethology 127, 1064-1073.
  • Araya-Ajoy, Y.G., Niskanien, A., Ranke, P.S., Kvalnes, T., Rønning, B., Jensen, H., Ringsby, T.H., Sæther, B.-E. & Wright, J. (2021) Variation in generation time reveals density regulation as an important driver of individual pace of life in a bird metapopulation. Ecol. Lett. 24, 2077-2087.
  • Carlsen, A.A., Lorentsen, S.-H. & Wright, J. (2021) Recovery, body mass and buoyancy: a detailed analysis of foraging dive cycles in the European shag. Anim. Behav. 178, 247-265.
  • Haaland, T.R., Wright, J., & Ratikainen, I.I. (2021) Individual reversible plasticity as a genotype-level bet-hedging strategy. J. Evol. Biol. 34, 1022-1033.
  • Wetzel, D.P., Mutzel, A., Wright, J., & Dingemanse, N.J. (2020) Multivariate mixed models reveal novel sources of (co)variation in nestling begging behavior. Behav. Ecol. 31, 960-970.
  • Dingemanse, N.J: & Wright, J. (2020) Criteria for successful studies of animal personality and behavioural syndromes. Ethology (editorial) 126, 865-869.
  • Haaland, T.R., Wright, J., & Ratikainen, I.I. (2020) Generalists versus specialists in fluctuating environments: a bet-hedging perspective. Oikos 129, 879-890.
  • Engen, S., Wright, J., Araya-Ajoy, Y. & Sæther, B.-E. (2020) Phenotypic evolution in stochastic environments: the contribution of frequency- and density-dependent selection. Evolution 74, 1923–1941.
  • Araya-Ajoy, Y.G., Westneat, D.F. & Wright, J. (2020) Pathways to social evolution and their eco-evolutionary feedbacks. Evolution 74, 1894–1907.
  • Wright, J., Solbu, E.B. & Engen, S. (2020) Contrasting patterns of density-dependent selection at different life stages can create more than one axis of life-history variation. Ecol. & Evol. 10, 3068-3078.
  • Haaland, T.R., Wright, J., & Ratikainen, I.I. (2019) Bet-hedging across generations can affect the evolution of variance-sensitive strategies within generations. Proc. R. Soc. Lond. B. 20192070.
  • Mutzel, A., Olsen, A-L., Mathot, K.J., Araya-Ajoy, Y.G., Nicolaus, M., Wijmenga, J.J., Wright, J., Kempenaers,, B. & Dingemanse, N.J. (2019) Effects of manipulated levels of predation threat on parental provisioning and nestling begging. Behav. Ecol. 30, 1123-1135.
  • Einum, S., Ratikainen, I.I., Wright, J., Pélabon, C., Bech, C., Jutfelt, F., Stawski, C. & Burton, T. (2019) How to quantify thermal acclimation capacity? Global Change Biol. 1-2.
  • Araya-Ajoy, Y.G., Ranke, P.S., Kvalnes, T., Rønning, B., Holland, H., Myre, A. M., Pärn, H., Jensen, H., Ringsby, T.H., Sæther, B.-E & Wright, J. (2019) Characterizing morphological (co)variation using structural equation models: body size, allometric relationships and evolvability in a house sparrow metapopulation. Evolution 73, 452-466.
  • Haaland, T.R., Wright, J., Tufto, J. & Ratikainen, I.I. (2019) Short-term insurance versus long-term bet-hedging strategies as adaptations to variable environments. Evolution, 73, 145-157.
  • Wright, J., Bolstad, G.H., Araya -Ajoy, Y.G. & Dingemanse, N.J. (2019) Life history evolution in a changing world and the adaptive alignment of pace-of-life syndromes. Biol. Revs. 94, 230-247.
  • Araya-Ajoy, Y.G., Bolstad, G.H., Brommer, J., Careau, V., Dingemanse, N.J. & Wright, J. (2018) Individual measures of pace of life: fecundity, longevity, generation time or what? Behav. Ecol. Sociobiol. 72, 75.
  • Berdal, M.A., Rosenqvist, G. & Wright, J. (2018) Innovation as part of a wider behavioural syndrome in the guppy: the effect of sex and body size. Ethology 124, 760-772.
  • Ratikainen, I.I., Haaland, T. & Wright, J. (2018) Differential allocation of parental investment and the trade-off between offspring size and number. Proc. R. Soc. Lond. B. 285, 20181074.
  • Raunsgard, A., Opedal, Ø.H., Ekrem, R.K., Wright, J., Bolstad, G.H., Armbruster, W.S. & Pélabon, C. (2018) Intersexual conflict over seed size is stronger in more outcrossed populations of a mixed-mating plant. PNAS 115, 11561-11566.
  • Westneat, D.F., Mutzel, A., Bonner, S., & Wright, J.. (2017) Experimental changes in brood size alter several levels of phenotypic variance in offspring and parent pied flycatchers. Behav. Ecol. Sociobiol. 71, 91.
  • Mathot, K.J., Olsen, A-L., Mutzel, A., Araya-Ajoy, Y.G., Nicolaus, M., Westneat, D.F., Wright, J., Kempenaers,, B. & Dingemanse, N.J. (2017) Variance-sensitive provisioning tactics in the great tit (Parus major) in response to a long-term brood size manipulation. Behav. Ecol. 28, 1402-1413.
  • Haaland, T., Wright, J., Kuijper, B. & Ratikainen, I.I. (2017) Differential allocation revisited: when should mate quality affect parental investment? Am. Nat. 190, 534-546.     
  • Wright, J. & McDonald, P G. (2016) Kin selected helping decisions of the bell miner. In: Cooperative Breeding: Studies of Ecology, Evolution, and Behavior. (Ed by Koenig, W. & Dickinson, J.) Cambridge University Press, Cambridge.
  • Westneat, D.F., Wright, J. & Dingemanse, N.J. (2015) The biology hidden within residual phenotypic variance. Biol. Rev. 90, 729-743.
  • Botero, C.A., Weissing, F.J., Wright, J. & Rubenstein, D.R. (2015) Evolutionary tipping points in the capacity to adapt to environmental change. PNAS 112, 184-189.
  • Pélabon, C., Albertsen, E., Falahati-Anbaran, M., Wright, J. & Armbruster, W.S. (2015) Does multiple paternity affect seed size in angiosperms? An experimental test in Delachampia scandensJ. Evol. Biol. 28, 1719-1733.
  • Ratikainen, I.I. & Wright, J. (2013) Adaptive management of body mass in Siberian jays. Anim. Behav. 85, 427-434.
  • Westneat, D.F., Schofield, M. & Wright, J. (2013) Parental behavior exhibits between-individual variance, plasticity and heterogeneous residual variance. Behav. Ecol. 24, 598-604.
  • Mutzel, A., Blom, M.P.K., Spagopoulou, F., Wright, J., Dingemanse, N.J. & Kempenaers, B. (2013) Temporal trade-offs between nestling provisioning and defence against nest predators in blue tits. Anim. Behav. 85, 1459-1469.
  • Dingemanse, N.J., Barber, I., Wright, J. & Brommer, J. (2012) Quantitative genetics of behavioural reaction norms: genetic correlations between personality and behavioural plasticity vary across stickleback populations. J. Evol. Biol. 25, 485-496.
  • Mathot K.J., Wright, J, Kempenaers, B., & Dingemanse, N.J. (2012) Adaptive strategies for managing uncertainty may explain personality-related differences in behavioural plasticity. Oikos 121, 1009-1020.
  • Ratikainen, I.I., Henøen, L.R., Wright, J. & Kazem, A.J.N. (2012) Private and public information by foraging groups of wild Siberian jays. Anim. Behav. 83, 1243-1251.
  •  Briga, M., Pen, I. & Wright, J.  (2012) Care for kin: within-group relatedness and allomaternal care are positively correlated and conserved throughout the mammalian phylogeny. Biol. Lett. 8, 533-536.
  •  Burger, C., Belskii, E., Eeva, T., Laaksonen, T., Mägi, M., Mänd, R., Qvarnström, A., Slagsvold, T., Veen, T., Visser, M.E., Wiebe, K.L., Wiley, C., Wright J., and Both, C. (2012) Climate change, breeding date and nestling diet: how temperature differentially affects seasonal changes in pied flycatcher diet depending on habitat variation. J. Anim. Ecol. 81, 926-936.
  • Wright, J. (2011) Honest begging: signals of need, quality and/or hunger. Behav. Ecol. 22, 920-921.
  • McDonald, P. G. & Wright, J. (2011) Bell miner provisioning calls are more similar among relatives and are used by helpers at the nest to bias their effort towards kin. Proc. Roy. Soc. Lond. B. 278, 3403-3411.
  • Réale, D., Dingemanse, N.J., Kazem, A.J.N. & Wright, J. (2010) Evolutionary and ecological approaches to the study of personality. Phil. Trans. Roy. Soc. Lond. B., 365, 3937-3946.
  • Ratikainen, I.I., Wright, J. & Kazem, A.J.N. (2010) Social class influences degree of variance-sensitivity in wild Siberian jays. Behav. Ecol. 21, 1067-1072.
  • Wright, J. & Radford, A.N. (2010) Risk-sensitive green woodhoopoes: a new explanation for sex-specific differences in preferred foraging techniques. Ethology 116, 941-950.
  • Rollins, L.A., Holleley, C.E., Wright, J., Russell, A.F., & Griffith, S.C. (2010) Isolation and characterization of polymorphic tetranucleotide microsatellite loci in the Apostlebird (Struthidea cinerea). Cons. Gen. Resour., 2, 229-231.
  • Wright, J., Karasov, W.H., Kazem, A.J.N., Goncalves, I.B. & McSwan, E. (2010) Begging and digestive responses to differences in long-term and short-term need in nestling pied flycatchers. Anim. Behav. 80, 517-525.
  • Dingemanse, N.J., Dochtermann, N. & Wright, J. (2010) A method for exploring the structure of behavioural syndromes to allow formal comparison within and between datasets. Anim. Behav. 79, 439-450.
  • Dingemanse, N.J., Kazem, A.J.N., Réale, D. & Wright, J. (2010) Behavioural reaction norms: animal personality meets individual plasticity. TREE 25, 81-89.
  • McDonald, P.G., Ewen, J.G. & Wright, J. (2010) Brood sex ratio does not affect helper effort in a cooperative bird, despite extreme sex-biased dispersal. Anim. Behav., 79, 243-250.
  • Wright, J., McDonald, P.G., te Marvelde, L., Kazem, A.J.N. & Bishop, C.M. (2010) Helping effort increases with relatedness in bell miners, but ‘unrelated’ helpers of both sexes still provide substantial care. Proc. Roy. Soc. Lond. B. 277, 437-445.
  • Lykkja, O.N., Solberg, E.J., Herfindal, I., Wright, J., Rolandsen, C.M. & Hanssen, M.G. (2009) The effects of human activity on summer habitat use by moose. Alces 45, 109-124.
  • Griesser, M., Barnaby, J., Schneider, N.A., Figenschau, N., Wright, J., Griffith, S.C., Kazem, A..J.N. & Russell, A.F. (2009) Winter ranging behaviour and the organization of cooperative breeding groups in the apostlebird. Ethology 115, 888-896.
  • Russell, A.F. & Wright, J. (2009) Avian mobbing: by-product mutualism not reciprocal altruism. TREE 24. 3-5.
  • van de Pol, M. & Wright, J. (2009) A simple method for distinguishing within- versus between-subjects effects using mixed models. Anim. Behav. 77, 753-758.
  • te Marvelde, L., McDonald, P.G., Kazem, A.J.N. & Wright, J. (2009) Do helpers really help? Biomass of different food types delivered and nestling growth rates in the cooperatively breeding bell miner. Anim. Behav. 77, 727-735.
  • McDonald, P.G., Kazem, A.J.N. & Wright, J. (2009) Cooperative provisioning dynamics: fathers and unrelated helpers show similar responses to manipulations of begging. Anim. Behav. 77, 369-376.
  • Dall, S.X.R. & Wright, J. (2009) Rich pickings near large communal roosts favor 'gang' foraging by juvenile common ravens, Corvus corax. PLOS ONE 4(2), e4530. doi:10.1371/journal.pone.0004530.
  • Dingemanse, N.J., Van der Plas, F., Wright, J., Réale, D., Schrama, M., Roff, D.A., Van der Zee E., & Barber I. (2009) Individual experience and evolutionary history of predation affect expression of heritable variation in fish personality and morphology. Proc. Roy. Soc. Lond. B. 276, 1285-1293.
  • McDonald, P.G., Kazem, A.J.N., Clarke, M.F. & Wright, J. (2008b) Helping as a signal: does removal of potential audiences influence helper provisioning behaviour in the cooperative bell miner? Behav. Ecol. 19, 1047-1055.
  • Sæther, B-E, Engen, S., Grøtan, V., Bregnballe, T., Both, C. Tryjanowski, P., Leivits, A., Wright, J., Møller, A.P., Visser, M. & Winkel, W. (2008) Forms of density regulation in (quasi-) stationary distributions of population sizes in birds. Oikos 117, 1197-1208.
  • McDonald, P.G. & Wright, J. (2008) Provisioning vocalizations in cooperative bell miner: more than a simple stimulus for nestling begging? Auk, 125, 670-678.
  • Smiseth, P.T., Wright, J. & Kölliker, M. (2008) Parent-offspring conflict and co-adaptation: behavioural ecology meets quantitative genetics. Proc. Roy. Soc. Lond. B. 275, 1823-1830.
  • Pacheco, M.L., McDonald, P.G., Wright, J., Kazem, A.J.N. & Clarke, M.F. (2008) Helper contributions to anti-parasite behaviour in the cooperatively breeding bell miner (Manorina melanophrys). Behav. Ecol. 19, 558-566.
  • Wright, J. & Russell, A.F. (2008) How helpers help: disentangling ecological confounds from the benefits of cooperatively breeding. J. Anim. Ecol. 77, 427-429.
  • Budden, A.E. & Wright, J. (2008) The effect of food availability on begging performance and digestive efficiency. Ibis 150, 234-241.
  • McDonald, P.G., te Marvelde, L., Kazem, A.J.N. & Wright, J. (2008a) Helping as a signal and the effect of a potential audience during provisioning visits in a cooperative bird. Anim. Behav. 75, 1319-1330.
  • Wright, J. (2007) Cooperation theory meets cooperative breeding: exposing some ugly truths about social prestige, reciprocity and group augmentation. Behav. Proc. 76, 142-148.
  • Dingemanse, N.J., Wright, J., Kazem, A.J.N., Thomas, D., Hickling, R., & Dawnay, N. (2007) Behavioural syndromes differ predictably between 12 populations of three-spined stickleback. J. Anim. Ecol. 76, 1128-1138.
  • McDonald, P.G., Kazem, A.J.N. & Wright, J. (2007b) A critical analysis of ‘deceptive’ or ‘false feeding’ behaviour in a cooperative bird: disturbance effects, satiated nestlings or deceit? Behav. Ecol. Sociobiol. 61, 1623-1635.
  • Sæther, B-E, Engen, S., Grøtan, V., Fiedler, W., Matthysen, E., Visser, M.E., Wright, J., Adriansen, F., van Balen, H., Balmer, D., Mainwaring, M.C., McCleery, R.H., Pampus, M. & Winkel, W. (2007) The extended Moran effect and large-scale synchronous fluctuations in the size of great tit and blue tit populations. J. Anim. Ecol. 76: 315-325.
  • McDonald, P.G., Heathcote, C., Clarke, M.F., Wright, J. & Kazem, A.J.N. (2007a) Provisioning calls in the cooperatively breeding bell miner Manorina melanophyrs encode sufficient information for individual discrimination J. Avian Biol. 38, 113-121.
  • McDonald, P.G., Kazem, A.J.N., Clarke, M.F. & Wright, J. (2006) Altruistic acts as indicators of quality in a cooperative bird: are helpers-at-the-nest ‘showing off’? J. Ornith. 147, 9-10 (IOC Abstract).
  • Both C., Sanz J.J., Artemyev A.A., Blaauw B., Cowie R.J., Dekhuijzen A.J., Enemar A., Järvinen A., Nyholm N.E.I., Potti J., Ravussin P.-A., Silverin B., Slater F.M., Sokolov L.V., Visser M.E., Winkel W., Wright J. & Zang H. (2006) Pied flycatchers travelling from Africa to breed in Europe: differential effects of winter and migration conditions on breeding date. Ardea 94: 511-525.
  • Edelaar, P. & Wright, J. (2006) Potential prey make excellent ornithologists: adaptive flexible responses towards avian predation threat in Arabian babblers Turdoides squamiceps living in a migration hot-spot. Ibis 148, 664-671.
  • Wright J., Markman S. & Denney S.M. (2006) Facultative adjustment of pre-fledging mass in swifts. Proc. Roy. Soc. Lond. B. 273, 1895-1900.
  • Yom-Tov, Y., Yom-Tov, S., Wright, J., Thorne, C.J.R. & du Feh, R. (2006) Recent changes in body weight and wing length in some British passerine birds. Oikos 112, 91-101.
  • Budden, A.E. & Wright, J. (2005) Evidence for learning during competitive positioning within the nest: do nestlings use ‘ideal free’ foraging tactics? Behav. Ecol. Sociobiol. 58, 227-236.
  • Leader, N., Wright, J. & Yom-Tov, Y. (2005) Acoustic properties of two urban song dialects in the orange tufted sunbirds (Nectarinia osea). Auk 122, 231-245.
  • Both, C., Artemyev, A.V., Blaauw, B., Cowie, R., Dekhuizen, H., Gustafsson, L., Järvinen, A., Kerimov, A., Metcalfe, N., Potti, J., Ravussin, P-A, Sanz, J.J., Silverin, B., Slater, F., Török, J., Winkel, W., Wright, J., Zang, H., Visser, M.E. (2004) Large-scale geographical variation confirms that climate change causes birds to lay earlier. Proc. Roy. Soc. Lond. B. 271, 1657-1662.
  • Walling, C.A., Dawnay, N., Kazem, A.J.N. & Wright, J. (2004) Predator inspection in sticklebacks (Gasterosteus aculeatus): body size, local predation pressure and cooperation. Behav. Ecol. Sociobiol. 56, 164-170.
  • Markman, S., Pinshow, B., Wright, J. & Kotler, B.P. (2004) Food patch use by parent birds: to gather food for themselves or for their chicks. J. Anim. Ecol. 73, 747-755.
  • Wright, J., Stone, R.E. & Brown, N. (2003) Communal roosts as structured information centres in the raven, Corvus corax. J. Anim. Ecol. 72, 1003-1014.
  • Blount, J.D., Houston, D.C., Møller, A.P. & Wright, J. (2003) Do individual branches of immune defence correlate? A comparative study of scavenging and non-scavenging birds. Oikos. 102, 340-350.
  • Martins, T.L.F., Blakey, J.K. & Wright, J. (2002) Low incidence of extra-pair paternity in the colonially-nesting common swift Apus apus. J. Avian Biol. 33, 441-446.
  • Markman, S., Pinshow, B. & Wright, J. (2002) Manipulation of food resources reveals sex-specific trade-offs between parental self-feeding and offspring care. Proc. Roy. Soc. Lond. B. 269, 1931-1938.
  • Kokko, H., Johnstone, R.A. & Wright, J. (2002) The evolution of parental and alloparental effort in cooperatively breeding groups: when should helpers pay-to-stay? Behav. Ecol. 13, 291-300.
  • Wright, J., Hinde, C., Both, C. & Fazey, I. (2002) Begging signals more than just short-term need: cryptic effects of brood size in the pied flycatcher. Behav. Ecol. Sociobiol. 52, 74-83.
  • Karasov, W.H. & Wright, J. (2002) Nestling Digestive Physiology and Begging. In: The Evolution of Begging: Competition, Cooperation and Communication (Ed by Wright, J. & Leonard ML), pp-199-219, Kluwyer Academic Press, Dordrecht, NL.
  • Wright, J. & Leonard, M.L. (2002) The Evolution of Begging: Competition, Cooperation and Communication. (edited proceeding from Begging Workshop, Gregynog 2000), Kluwyer Academic Press, Dordrecht, NL.
  • Leader, N., Wright, J. & Yom-Tov, Y. (2002) Dialect discrimination by male orange tufted sunbirds (Nectarinia osea): reactions to own versus neighbor dialects. Ethology 108, 367-376.
  • Karasov, W.H., McSwan E.L. & Wright, J. (2001) Begging and digestion by nestling pied flycatchers in relation to short- and long-term nutritional need. Am. Zool. 41, 1490-1490 (SIBC abstract).
  • Wright, J., Berg, E., de Kort, S., Khazin, V. & Maklakov, A. (2001c) Cooperative sentinel behaviour in the Arabian babbler. Anim. Behav. 62, 973-979.
  • Wright, J., Berg, E., de Kort, S., Khazin, V. & Maklakov, A. (2001b) Safe selfish sentinels in a cooperative bird. J. Anim. Ecol. 70, 1070-1079.
  • Wright, J., Maklakov, A. & Khazin, V. (2001a) State-dependent sentinels: an experimental study in the Arabian babbler. Proc. R. Soc. Lond. B. 268, 1-6.
  • Denny, A.J., Wright, J. & Grief, B. (2001) Foraging trail efficiency in the wood ant Formica rufa: is time of the essence? Anim. Behav. 62, 139-146.
  • Budden, A.E. & Wright, J. (2001b) Falling on deaf ears: the adaptive significance of begging in the absence of a parent. Behav. Ecol. Sociobiol. 49, 474-481.
  • Budden, A.E. & Wright, J. (2001a) Begging in Nestling Birds. Current Ornithology 16, 83-118.
  • Budden, A.E. & Wright, J. (2000) Nestling diet, chick growth and breeding success in the southern grey shrike (Lanius meridionalis). Proc. 3rd Int. Shrike Symp. Gdansk 1999. The Ring 22, 165-172.
  • Leader, N., Wright, J. & Yom-Tov, Y. (2000) Microgeographic song variation in the orange-tufted sunbird (Necterinia osea). Behaviour 137, 1613-1637.
  • Yom-Tov, Y., Wright, J. & Both, C. (2000) Intraspecific nest parasitism and nest guarding in the pied flycatcher, Ficedula hypoleuca. Ibis 142, 331-332.
  • Whitehead, S., Wright, J. & Cotton, P.A. (1999) Patterns of winter field use by starlings (Sturnus vulgaris) - how important is prey depletion? Bird Study 46, 289-298.
  • Wright, J. (1999b) Adaptive versus non-adaptive helping in cooperative breeders. Behav. Ecol. Sociobiol. 46, 437-438.
  • Johnstone, R.A., Woodroffe, R., Cant, M.A. & Wright, J. (1999) Reproductive skew in multi-member groups. Am. Nat. 153, 315-331.
  • Wright, J., Parker, P., & Lundy K. (1999) Relatedness and chick-feeding effort in the cooperatively-breeding Arabian babbler. Anim. Behav. 58, 779-785.
  • Wright, J. & Dingemanse, N. (1999) Parents and helpers compensate for experimental changes in the provisioning effort of others in the Arabian babbler. Anim. Behav. 58, 345-350.
  • Cotton, P.A., Wright, J. & Kacelnik, A. (1999) Chick begging strategies in relation to brood hierarchies and hatching asynchrony. Am. Nat. 153, 412-420.
  • Wright, J. (1999a) Altruism as a signal: Zahavi’s alternative to kin selection and reciprocity. J. Avian Biol. 30, 108-115.
  • Markman, S., Pinshow, B. & Wright, J. (1999) Orange-tufted sunbirds do not feed nectar to their chicks. Auk 116, 257-259.
  • Wright, J., Both, C., Cotton, P.A. & Bryant, D. (1998) Quality versus quantity: energetic and nutritional trade-offs in parental provisioning strategies. J. Anim. Ecol. 67, 620-634.
  • Wright, J. (1998c) Paternity and Paternal Care. Chapter In: Birkhead, T.R. and Møller, A.P. Sperm Competition and Sexual Selection. Academic Press, London pp. 117-145.
  • Wright, J. (1998b) Helpers-at-the-nest have the same provisioning rule as parents: experimental evidence from playbacks of chick begging. Behav. Ecol. Sociobiol. 42, 423-429.
  • Wright, J. (1998a) Helping-at-the-nest and group size in the Arabian babbler (Turdoides squamiceps). J. Avian Biol. 29, 105-112.
  • Markman, S., Pinshow, B. & Wright, J. (1998) Quality of food eaten by parent sunbirds directly affects their brood-care effort. Ostrich 69, 196 (IOC abstract).
  • Wright, J. (1997) Helping-at-the-nest in Arabian babblers: signalling social status or sensible investment in chicks? Anim. Behav. 54, 1439-1448.
  • Bradbury, R.B., Cotton, P.A., Wright, J., & Griffiths, R. (1997) Nestling sex ratios in the European Starling Sturnus vulgaris. J. Avian Biol. 28, 255-258.
  • Cotton, P.A., Kacelnik, K. & Wright, J. (1996) Chick begging as a signal: are nestlings honest? Behav. Ecol. 7, 178-182.
  • Whitehead, S., Wright, J. & Cotton, P.A. (1996) Measuring the impact of parental foraging by starlings, Sturnus vulgaris, on soil invertebrates: an exclosure experiment. Oikos 76, 511-521.
  • Markman, S., Yom-Tov, Y. & Wright, J. (1996) The effect of male removal on female parental care in the Orange-Tufted Sunbird. Anim. Behav. 52, 437-444.
  • Markman, S., Yom-Tov, Y. & Wright, J. (1995) Male parental care in the Orange-Tufted Sunbird: behavioural adjustment in provisioning and nest guarding effort. Anim. Behav. 50, 655-669.
  • Whitehead, S., Wright, J. & Cotton, P.A. (1995) Winter field use by the European Starling Sturnus vulgaris: habitat preferences and the availability of prey. J. Avian Biol. 26., 193-202.
  • Kacelnik, K., Cotton, P.A., Stirling, L. & Wright, J. (1995) Food allocation among nestling starlings: sibling competition and the scope of parental choice. Proc. Roy. Soc. Lond. B. 259, 259-263.
  • Wright, J. & Cotton, P.A. (1994b) Song versus food: trade-off decisions in a breeding colony of European starlings (Sturnus vulgaris). Bird Study 41, 95-101.
  • Wright, J. & Cotton, P.A. (1994a) Experimentally-induced sex differences in parental care: an effect of certainty of paternity? Anim. Behav. 47, 1311-1322.
  • Yom-Tov, Y. & Wright, J. (1993) The effect of heating nestboxes on egg laying in the Blue Tit, Parus caeruleus. Auk 110, 95-99.
  • Martins, T.L.F. & Wright, J. (1993c) Patterns of food allocation between parent & young under differing weather conditions in the Common Swift (Apus apus). Avocetta 17, 147-156.
  • Martins, T.L.F. & Wright, J. (1993b) The cost of reproduction and the allocation of food between parent and young in the common swift (Apus apus). Behav. Ecol. 4, 213-223.
  • Martins, T.L.F. & Wright, J. (1993a) Brood reduction in response to manipulated brood sizes in the common swift (Apus apus). Behav. Ecol. Sociobiol. 32, 61-70.
  • Wright, J. (1992) Certainty of paternity and parental care. Anim. Behav. 44, 380-381.
  • Wright, J. & Cuthill, I. (1992) Monogamy in the European starling. Behaviour 120, 262-285.
  • Wright, J. & Cuthill, I. (1990b) Biparental care: short term manipulation of partner contribution and brood size in the starling Sturnus vulgaris. Behav. Ecol. 1, 116-124.
  • Wright, J. & Cuthill, I. (1990a) Manipulation of sex differences in parental care: the effect of brood size. Anim. Behav. 40, 462-471.
  • Wright, J. & Cuthill, I. (1989) Manipulation of sex differences in parental care. Behav. Ecol. Sociobiol. 25, 171-181.
  • Hailey, A., Wright, J., & Steer, E. (1988) Population ecology and conservation of tortoises: the effects of disturbance. Herp. J. 1, 294-301.
  • Wright, J., Steer, E., & Hailey, A. (1988) Habitat separation in tortoises and the consequences for activity and thermoregulation. Can. J. Zool. 66, 1537-1544.




Professor in Biology (Ethology), NTNU, Norway (2003-present)

Senior Lecturer in Animal Ecology UWB, UK (2002-2003)

Lecturer in Animal Ecology, UWB, UK (1996-2002)

NERC Research Fellowship, Cambridge, UK (1993-1996)

Post-doc Research Assistant, Oxford, UK (1990-1993)

D.Phil (Oxon) Zoology, Oxford, UK (1986-1990)

BSc (Hons) Ecology, 1st Class, UEA, UK (1983-1986)


Supervisor of 8 PhD students, 35 masters student og 51 honours student theses, more than 100 peer-reviewed scientific papers, >65 seminars og  >70 international conference presentations, obtained >5 millionNOK in research funds, editor for Ethology, J.Anim. Ecol. and Phil. Trans. Roy. Soc. Lond. B., referee for funding bodies in five different countries, and for manuscripts for all international journals in behaviour, evolution og ecology.

Scientific, academic and artistic work

A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database

Journal publications