Sexually selected feticide-the death of infants in utero as a result of male behaviour-has only rarely been described or analysed, although it is presumed to be favoured by the same selective pressures that favour sexually selected infanticide. To test this hypothesis, we measured the frequency of feticide and infanticide by male baboons of the Amboseli basin in Kenya, and examined which charac...

This article first offers a comparison between the stereotype dominated understanding of infanticide and child homicide in the United States and the statistical landscape it obscures. It then turns to the history of the crime of infanticide, a history which confirms that a fascination with deviant women as long dominated the story of infanticide. The article concludes with the exploration of th...

An abandoned fetus with suspicious skin injuries was found dead, lying on the grass of a garden, near a private house. Suspecting infanticide, the prosecutor ordered a medico-legal autopsy. The cause of death was identified as a congenital malformation of the central nervous system such as hydranencephaly, and infanticide was excluded.

Since Sugiyama's [1965] first observations of infanticide, empirical evidence from a multitude of primate species has supported the sexual selection hypothesis-the idea that males enhance their reproductive success by killing nonrelated, unweaned infants to hasten the mothers' return to fertility. Like other primates that live in social groups where paternity certainty is high, the social struc...

Infanticide by newly immigrated or newly dominant males is reported among a variety of taxa, such as birds, rodents, carnivores and primates. Here we present a game theoretical model to explain the presence and prevalence of infanticide in primate groups. We have formulated a three-player game involving two males and one female and show that the strategies of infanticide on the males' part and ...

Interspecific aggression amongst nonhuman primates is rarely observed and has been mostly related to scenarios of resource competition. Interspecific infanticide is even rarer, and both the ultimate and proximate socio-ecological factors explaining this behavior are still unclear. We report two cases of interspecific infanticide and five cases of interspecific infant-directed aggression occurri...

The concept of sexual selection, as first proposed by Darwin (1871), predicts that the fundamental reproductive asymmetries between males and females give rise to a conflict between sexes. Male reproductive success tends to be limited primarily by access to mates, whereas female reproductive success is usually limited by access to resources. Infanticide, the killing of dependent young by conspe...

In a recent paper, Giubilini and Minerva argue for the moral permissibility of what they call 'after-birth abortion', or infanticide. Here I suggest that they actually employ a confusion of two distinct arguments: one relying on the purportedly identical moral status of a fetus and a newborn, and the second giving an independent argument for the denial of moral personhood to infants (independen...

infanticide is a horrendous crime universally condemned from all ethical, juridical and moral standpoints. however, legislation on infanticide foresees mitigating circumstances for infanticidal mothers, with sentences by far disproportionate to the severity of the crime. the main justification for this abstaining from severe punishments has been the so-called post puerperal psychosis, whose dia...

Male mammals often kill conspecific offspring. The benefits of such infanticide to males, and its costs to females, probably vary across mammalian social and mating systems. We used comparative analyses to show that infanticide primarily evolves in social mammals in which reproduction is monopolized by a minority of males. It has not promoted social counterstrategies such as female gregariousne...