·        Szipl G., Loth A., Wascher C.A.F., Hemetsberger J., Kotrschal K., Frigerio D. 2019. Parental behaviour and family proximity as key to gosling survival in Greylag geese (Anser anser). Journal of Ornithology, in press,

·         Halsey L.G., Green J.A., Twiss S.D., Arnold W., Burthe S.J., Butler P.J., Cooke S.J., Grémillet D., Ruf T., Hicks O., Minta K.J., Prystay T.S., Wascher C.A.F., & Careau V. 2019. Flexibility, variability and constraint in energy management patterns across vertebrate taxa revealed by long-term heart rate measurements. Functional Ecology, in press, DOI: 10.1111/1365-2435.13264.

·         Broihanne M.H., Romain A., Call J., Thierry B., Wascher C.A.F., De Marco A., Verrier D. & Dufour V. Monkeys (Sapajus apella and Macaca tonkeana) and great apes (Gorilla gorilla, Pongo pygmaeus, Pan paniscus and Pan troglodytes) play for the highest bid. Journal of Comparative Psychology, in press.

·        Wascher C.A.F. Kulahci, I.G. Langley E. & Shaw R. 2018. How does cognitive performance shape patterns of social relationships? Philosophical Transactions of the Royal Society B 373, 20170293. authors contributed equally to this study.

·        Kirk J. & Wascher C.A.F. 2018. Temporal modification of social interactions in response to changing group demographics and offspring maturation in African lions (Panthera leo). Behavioural Processes: in press.

·        Puehringer-Sturmayr V., Wascher C.A.F.Loretto M.-C., Palme R., Stoewe M., Kotrschal K., Frigerio D. 2018 Seasonal differences of corticosterone metabolite concentrations and parasite burden in northern bald ibis (Geronticus eremita): The role of affiliative interactions. PLoS ONE 13(1): e0191441.

·          Wascher C.A.F., Kotrschal K. & Walter A. 2018. Free-living Greylag geese adjust their heart rates and body core temperatures to season and reproductive context. Scientific Reports: 8: 2142.

·        Wascher C.A.F., Hemetsberger J., Kotrschal K. & Frigerio D. 2017. Leucocyte profiles and social context in juvenile greylag geese (Anser anser). Avian Biology Research: 10 (4), 246–252.

·        Ludwig S.C., Kapetanopoulos K., Kotrschal K. & Wascher C.A.F. 2017. Mate separation induces immunosuppression and increases parasite load in free-living female Greylag geeseBehavioural Processes: 138, 134–141

·         Frigerio, D., Ludwig, S.C., Hemetsberger, J., Kotrschal, K. & Wascher, C.A.F. 2017. Social and environmental factors modulate leucocyte profiles in free-living Greylag geese (Anser anser). PeerJ 5:e2792; DOI 10.7717/peerj.2792.

·         Frigerio D., Cibulski L., Ludwig S.C., Camderrich I., Kotrschal K. & Wascher C.A.F. 2016. Excretion patterns of coccidian oocysts and nematode eggs during the reproductive season in Northern Bald Ibis (Geronticus eremita) Journal of Ornithology, DOI 10.1007/s10336-015-1317-z.

·         Wascher C.A.F., Hillemann F., Canestrari D., & Baglione V. 2015. Carrion crows learn to discriminate between calls of reliable and unreliable conspecifics. Animal Cognition, doi: 10.1007/s10071-015-0879-8.

·        Szipl G., Boeckle M., Spreafico M., Wascher C.A.F. & Thomas Bugnyar T. 2015. With whom to dine? Common ravens are attracted by yells of affiliates and consider signallers rank. Animal Behaviour 99, 33-42.

·       Wascher C.A.F. 2015. Individual performance in socio-cognitive tasks predicts social performance in carrion crows. Behaviour 152, 615-634.

·       Wascher C.A.F., Heiss, R., Baglione V. & Canestrari D. 2015. Behavioural responses to olfactory cues in social contexts in carrion crows (Corvus corone corone). Behavioural Processes 111, 1-5.     

·       Dorn S., Wascher C.A.F. & Kotrschal, K. 2014. Ambient temperature and air pressure modulate hormones and behavior in Greylag geese (Anser anser) and Northern bald ibis (Geronticus eremita). Behavioural Processes 108, 27-35.

·       Cibulski L., Wascher C.A.F., Weiß B.M. & Kotrschal, K. 2014. Familiarity with the experimenter influences the performance of Common ravens (Corvus corax) and Carrion crows (Corvus corone corone) in cognitive tasks. Behavioural Processes 103, 129-137.

·       Hillemann, F., Bugnyar, T., Kotrschal, K. & Wascher, C.A.F. 2014. Waiting for better, not for more: corvids respond to quality in two delay maintenance tasks. Animal Behaviour 90, 1-10.      

·       Wascher C.A.F., Valdez J.W., Nuñez C., Baglione V. & Canestrari D. 2014. Social factors modulating attention patterns in carrion crows (Corvus corone corone). Behaviour 151 (5), 555-572.

·       Teschke I., Wascher C.A.F., Scriba M., von Bayern A., Huml V., Siemers B. & Tebbich S. 2013. Did tool-use evolve with enhanced physical cognitive abilities? Philosophical Transactions of the Royal Society B 368, 20120418.

·       Wascher C.A.F. & Bugnyar T. 2013. Awareness to inequity and working effort in carrion crows (Corvus corone corone) and common ravens (Corvus corax). PLoS ONE 8(2), e56885.

·       Wascher C.A.F., Bauer A.C., Holtmann A.R. & Kotrschal K. 2012. Environmental and social factors affecting excretion of intestinal parasite eggs and oocysts in a flock of free-living greylag geese (Anser anser). Behavioral Ecology 23 (6), 1276-1283.

·       Wascher C.A.F., Dufour V. & Bugnyar T. 2012. Carrion crows cannot overcome impulsive choice in a quantitative exchange task. Frontiers in Comparative Psychology 3, 118.

·       Wascher C.A.F., Szipl G., Boeckle M. & Wilkinson A. 2012. You sound familiar- Carrion crows can differentiate between the calls of known and unknown heterospecifics. Animal Cognition 15, 1015-1019.

·       Wascher C.A.F., Weiß B.M., Arnold W. & Kotrschal K. 2012. Physiological implications of pair-bond status in greylag geese. Biology Letters 8, 347-350.

·       Dufour V., Wascher C.A.F., Braun A., Miller R. & Bugnyar T. 2012. Corvids can decide if a future exchange is worth waiting for. Biology Letters 8, 201-204.

·       Wascher C.A.F., Scheiber I .B.R., Braun A. & Kotrschal K. 2011. Heart rate responses to induced challenge situations in greylag geese (Anser anser). Journal of Comparative Psychology 125 (1), 116-119.

·       Wascher C.A.F., Fraser O.N. & Kotrschal K. 2010. Heart rate during conflicts predicts post-conflict stress-related behavior in greylag geese. PLoS ONE 5 (12), e15751.

·       Kralj-Fiser S., Scheiber I.B.R., Kotrschal K., Weiß B.M. & Wascher C.A.F. 2010. Glucocorticoids enhance and suppress heart rate and behaviour in time dependent manner in greylag geese (Anser anser). Physiology & Behavior 100, 394-400.

·       Wascher C.A.F., Scheiber I .B.R., Weiß B.M. & Kotrschal K. 2009. Heart rate responses to agonistic encounters in greylag geese (Anser anser). Animal Behaviour 77, 955-961.

·       Scheiber I.B.R., Weiß B.M., Hirschenhauser K., Wascher C.A.F., Nedelcu I.T. & Kotrschal K. 2008. Does ‚relationship intelligence’ make big brains in birds? The Open Biology Journal 1, 6-8.

·       Wascher C.A.F., Arnold W. & Kotrschal K. 2008. Heart rate modulation by social contexts in Greylag geese (Anser anser). Journal of Comparative Psychology 122 (1), 100-107.

·       Wascher C.A.F., Scheiber I.B.R. & Kotrschal K. 2008. Heart rate modulationin bystanding geese watching social and non-social events. Proceedings of the Royal Society London, Series B 275, 1653-1659.


Book chapters

·       Wascher C.A.F. 2018. Corvids. In: Encyclopedia of Animal Cognition and Behavior, eds. Vonk J. and Shackelford, T.K. Springer. Doi:

·       Wascher C.A.F. & Kotrschal K. 2013. The costs of sociality measured through heart rate modulation. In: The Social Life of Greylag Geese. Patterns, Mechanisms and Evolutionary Function in an Avian Model System, eds. I.B.R. Scheiber, B. Weiß, J. Hemetsberger and K. Kotrschal. Cambridge: Cambridge University Press: 142-155. ISBN: 9780521822701.

                            Published abstracts

·       Ludwig S.C., Kapetanopoulos K., Wascher C.A.F. & Kotrschal K. 2012. Effects of mate separation on stress hormones, parasite load and immune parameters in free-living greylag geese. Wiener Tierärztliche Monatsschrift 99 (Suppl 1), 61. ISSN 0043-535x

·       Spreafico M, Szipl G., Kotrschal K. & Wascher C.A.F. 2012. Physiological and behavioural response in carrion crows (Corvus corone corone) after relocation to a new environment. Wiener Tierärztliche Monatsschrift 99 (Suppl 1), 61. ISSN 0043-535x.

·       Szipl G., Wascher C.A.F., Spreafico M., Barth E.K., Kotrschal K. & Bugnyar T. 2012. Vocal response to stressful situations in carrion crows (Corvus corone corone). Wiener Tierärztliche Monatsschrift 99 (Suppl 1), 62. ISSN 0043-535x.

·       Scheiber I.B.R., Wascher C.A.F. & Kotrschal K. 2006. Biparental care in Greylag Geese: Heart rate as a measure of parental contribution. Journal of Ornithology 147 (Suppl 1), 245. ISSN: 2193-7192.

·       Wascher C.A.F. 2010. Heart rate in greylag geese (Anser anser): implications for the study of social systems. Etho-News: 64, 9.

·       Wascher C.A.F, Kralj-Fiser S., Scheiber I.B.R. & Kotrschal K. 2006. Heart rate and coping styles in Greylag Geese. Journal of Ornithology 147 (Suppl 1), 269. ISSN: 2193-7192.