Animal Reproduction

Mating Plugs: The Chastity Belts of the Animal Kingdom

October 30, 2019 0
Mating plugs are found in almost all groups of animals, from tiny nematodes to some of our closest primate relatives. Due to the often-contrasting needs of males versus females, the behavioural and physiological strategies with […]
Animal Reproduction

Sexual Cannibalism

October 23, 2019 2
Sexual cannibalism represents perhaps the most extreme form of conflict between the sexes. This kind of behaviour is observed in several species of praying mantids and spiders, and there is tremendous diversity in the extent […]
Animal Reproduction

What Is Traumatic Insemination?

October 9, 2019 1
Traumatic mating has evolved repeatedly in several animal phyla. It is most common among arthropods – invertebrates with exoskeletons. Many kinds of behaviours fall into the general category of trauma, starting with those that involve […]
Animal Reproduction

Female Pheromones

October 2, 2019 3
In the majority of cases, female pheromones are produced in order to communicate sexual maturity to prospective partners. For many invertebrates where prospective partners have to signal to each other from substantial distances, it’s often […]