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Bobrowicz, K., & Osvath, M. (2020). Social context hinders humans but not ravens in a short‐term memory task. Ethology, 126, 125-139. pdf

Clary, D., Stow, M. K., Vernouillet, A., & Kelly, D. M. (2020). Mirror‐mediated responses of California scrub jays (Aphelocoma californica) during a caching task and the mark test. Ethology, 126, 140-152. pdf

Dufour, V., Broihanne, M. H., & Wascher, C. A. (2020). Corvids avoid odd evaluation by following simple rules in a risky exchange task. Ethology, 126, 153-164. pdf

Duque, J. F., Rasmussen, T., Rodriguez, A., & Stevens, J. R. (2020). The role of mesotocin on social bonding in pinyon jays. Ethology, 126, 165-175. pdf

Heaney, M., Bastos, A. P., Gray, R. D., & Taylor, A. H. (2020). Are kea prosocial?. Ethology, 126, 176-184. pdf


Laumer, I. B., Massen, J. J. M., Wakonig, B., Lorck‐Tympner, M., Carminito, C., & Auersperg, A. M. (2020). Tentative evidence for inequity aversion to unequal work‐effort but not to unequal reward distribution in Goffin's cockatoos. Ethology, 126, 185-194. pdf


Miyazawa, E., Seguchi, A., Takahashi, N., Motai, A., & Izawa, E. I. (2020). Different patterns of allopreening in the same‐sex and opposite‐sex interactions of juvenile large‐billed crows (Corvus macrorhynchos). Ethology, 126, 195-206. pdf

Morales Picard, A., Mundry, R., Auersperg, A. M., Boeving, E. R., Boucherie, P. H., Bugnyar, T., Dufour, V., Emery, N. J., Federspiel, I. G., Gajdon, G. K., Guéry, J. P., Hegedič, M., Horn, L., Kavanagh, E., Lambert, M. L., Massen, J. J. M., Rodrigues, M. A., Schiestl, M., Schwing, R., Szabo, B., Taylor, A. H., van Horik, J. O., von Bayern, A. M. P., Seed, A. & Slocombe, K. E. (2020). Why preen others? Predictors of allopreening in parrots and corvids and comparisons to grooming in great apes. Ethology, 126, 207-228. pdf

Pendergraft, L. T., Lehnert, A. L., & Marzluff, J. M. (2020). Individual and social factors affecting the ability of American crows to solve and master a string pulling task. Ethology, 126, 229-245. pdf

Schwing, R., Reuillon, L., Conrad, M., Noë, R., & Huber, L. (2020). Paying attention pays off: Kea improve in loose‐string cooperation by attending to partner. Ethology, 126, 246-256. pdf

Sierro, J., Loretto, M. C., Szipl, G., Massen, J. J. M., & Bugnyar, T. (2019). Food calling in wild ravens (Corvus corax) revisited: Who is addressed?. Ethology, 126, 257-266. pdf

Tassin de Montaigu, C., Durdevic, K., Brucks, D., Krasheninnikova, A., & von Bayern, A. (2020). Blue‐throated macaws (Ara glaucogularis) succeed in a cooperative task without coordinating their actions. Ethology, 126, 267-277. pdf

Wascher, C. A., Feider, B., Bugnyar, T., & Dufour, V. (2020). Crows and common ravens do not reciprocally exchange tokens with a conspecific to gain food rewards. Ethology, 126, 278-287.



Massen, J. J. M. (2020). Studying the evolution of cooperation and prosociality in birds. Ethology, 126, 121-124. pdf