| dispersal of male ortolan buntings away from areas with low female density and a severely male-biased sex ratio. | dispersal is expected to enhance individual fitness, and individuals should thus disperse from areas with poor conditions to areas with more favourable conditions. few studies have compared conditions before and after dispersal of the same individuals, and in birds little is known about the effects of sex ratio and female density on male dispersal decisions. in this study we examined various fitness-related parameters that adult male ortolan buntings, emberiza hortulana, might use as cues in the ... | 2012 | 21800058 |