Home News Archive - MPI for Ornithology The brains of birds synchronize when they sing duets Publications of Katharina Klug All genres Journal Article (1) Journal Article (1) 2016 Journal Article Kraus, R. H. S.; Figuerola, J.; Klug, K.: No genetic structure in a mixed flock of migratory and non-migratory Mallards. Journal of Ornithology 157 (3), pp. 919 - 922 (2016) MPG.PuRe DOI