Max Planck Institute for Biological Intelligence News from the Institute Zebra finch males sing in dialects and females pay attention Publications of Filip de Ridder All genres Journal Article (1) Journal Article (1) 1998 Journal Article Beukeboom, L. W.; Seif, M.; Plowman, A. B.; de Ridder, F.; Michiels, N. K.: Phenotypic fitness effects of B chromosomes in the pseudogamous parthenogenetic planarian Polycelis nigra. Heredity 80 (5), pp. 594 - 603 (1998) MPG.PuRe DOI