Projektnummer

0054456

Zusammenfassung

Communication is a ubiquitous phenomenon that presents the key to understanding the evolution of behaviour and the interactions between organisms. Communication is based upon signals; the core assumption of signal theory is that natural selection will favour highly conspicuous visual signals because conspicuousness reduces the detection costs of receivers. However, this assumption has not been tested under natural conditions, and we lack the understanding of how variability in signalling affects individual fitness on a population level. Here, the relationship between the contrast of vi...