Sexual selection plays several intricate and complex roles in the related processes of local
adaptation and speciation. In some cases sexual selection can promote these processes …

A well-established field of research in vertebrates focuses on the variability of cognitive
abilities within species. From mammals to fish, numerous studies have revealed remarkable …

In many species, individuals of the same sex exhibit different mating behaviours, a
phenomenon known as alternative mating tactics (AMTs). These AMTs may occur in species …

Mate choice can vary in response to internal or external conditions that alter the costs and
benefits of being choosy. The relationship between mate choice and hybridization, however …

Field crickets are best known for the loud calling songs produced by males to attract
conspecific females. This review aims to summarize the current knowledge of the …

Highlights•Scramble competition for access to a sexual partner involves opportunity
costs.•Its consequences for best-of-n and threshold decision rules were modelled.•The …

The social environment has a strong effect on the strength and direction of sexual selection.
Juveniles, however, often have social cues that signal the current competitive environment …

The maintenance of variation in sexually selected traits is a puzzle that has received
increasing attention in the past several decades. Traits that are related to fitness, such as life …

Highlights•Male crickets sing to attract females, and also show phonotaxis to male calling
song.•Male steering towards calling song chirps is significantly weaker than in females.•The …

Male–male vocal competition in anuran species is critical for mating success; however, it is
also highly time-consuming, energetically demanding and likely to increase predation risks …