von Bayern, Auguste Marie Philippa Gruppe von Bayern, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Morales Picard, A., Mundry, R., Auersperg, A. M., Boeving, E. R., Boucherie, P. H., Bugnyar, T., et al. (2020). Why preen others? Predictors of allopreening in parrots and corvids and comparisons to grooming in great apes. Ethology, 126(2), 207-228. doi:10.1111/eth.12999.