Cryptic female choice (CFC) represents postmating intersexual selection arising from female-
driven mechanisms at or after mating that bias sperm use and impact male paternity share …

The range of resources that a species uses (ie its niche breadth) might determine the
geographical area it can occupy, but consensus on whether a niche breadth–range size …

Meta-analysis has changed the way researchers conduct literature reviews not only in
medical and social sciences but also in biological sciences. Meta-analysis in biological …

A popular notion in sexual selection is that females are polyandrous and their offspring are
commonly sired by more than a single male. We now have large-scale evidence from …

Over the last decades, the field of sexual selection underwent a paradigm shift from sexual-
stereotype thinking of “eager” males and “coy” females towards a more nuanced perspective …

Females frequently mate with several males, whose sperm then compete to fertilize
available ova. Sperm competition represents a potent selective force that is expected to …

For sexual selection to act on a given sex, there must exist variation in the reproductive
success of that sex as a result of differential access to mates or fertilisations. The …

The Darwin–Bateman paradigm recognizes competition among males for access to multiple
mates as the main driver of sexual selection. Increasingly, however, females are also being …

Obligate eusociality with distinct caste phenotypes has evolved from strictly monogamous
sub-social ancestors in ants, some bees, some wasps and some termites. This implies that …

Fitness results from an optimal balance between survival, mating success and fecundity. The
interactions between these three components of fitness vary depending on the selective …