·        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.