A school of 10 whales that washed up Monday in northern France may have done so voluntarily after the death of the dominant male, an expert said.
Lemur girls behave more like the guys, thanks to a little testosterone, according to a new study.
Previous research has shown that infanticide by males is widespread in many mammal species, but most commonly occurs in those species where females live in social groups dominated by one or a few males.
How many of us have seen, much to its owner consternation, a misguided pet urinating at the corner of a room marking its territory to repel rivals and attract females? Well, apparently fish do the same.
Unequal sharing of workloads in societies could leave the most industrious individuals at higher risk of poor health and prone to accelerated ageing, according to a new study of a cooperative bird in the Kalahari Desert.
The darker side of meerkats – which sees them prevent their daughters from breeding, and kill their grandchildren – is explained in a new study.
Some mammals may have evolved to synchronise births as a way of evading the threat of infanticide, according to a study led by the University of Exeter.
The essence of male beauty is down to the way males use their genes rather than what genes they have, according to a new study into the sexual attractiveness of turkeys.
Female social dominance over males is rare among mammal species. Bonobos, one of our closest living relatives, are known for females holding relatively high social statuses when compared to males; though this is puzzling ...
Female cowbirds incapable of recognizing high-quality male songs can alter the behavior of flock-mates of either sex and disrupt overall social structure, according to research published May 1 in the open access journal PLOS ...