Møller, A. P.; Nielsen, J. T.; Garamszegi, L. Z. - In: Behavioral Ecology 17 (2006) 2, pp. 155-163
Male birds use song to attract mates and deter other males, but in doing so, they also attract the attention of predators and parasites. Such viability costs are inherent in reliable signals, potentially causing females to prefer mates that display from the most exposed sites. However, viability...