The ecosystem services provided by dung beetles are well known and valued. Dung beetles
bury dung for feeding and breeding, and it is generally thought that the process of burying …

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 …

Sexual selection has been a popular subject within evolutionary biology because of its
central role in explaining odd and counterintuitive traits observed in nature. Consequently …

There is growing evidence that the environment experienced by one generation can
influence phenotypes in the next generation via transgenerational plasticity (TGP). One of …

Males often strategically adjust the number of available sperm based on the social context
(ie sperm priming response), but it remains unclear how environmental and genetic factors …

In some squids, such as those in the family Loliginidae, upon copulation, females receive
and store male-delivered sperm capsules, spermatangia, at two different body locations: the …

Harvestmen are a major arachnid order that has experienced a dramatic increase in
biological knowledge in the 21st century. The publication of the book Harvestmen: The …

Fight outcomes often affect male fitness by determining their access to mates. Thus,“winner-
loser” effects, where winners often win their next contest while losers tend to lose, can …

In species with alternative reproductive tactics, there is much empirical support that
parasitically spawning males have larger testes and greater sperm numbers as an evolved …

The bewildering courtship phenotypes of male birds of paradise (Paradisaedae) represent a
classic example of sexual selection through mate choice. While the majority of sexual …