Ocean acidification could have a major impact on the reproductive behaviour of fish living in affected waters, a new study shows.
Selective expression of genes through epigenetics can regulate the social status of african cichlid fish
For a small African fish species, a colorful dominant male does better in life, winning access to food and females. New research by Stanford biologists suggests that this lucky outcome is regulated at a genetic level, by ...
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.
New research has shown that badgers, one of Ireland's most iconic wild creatures, roll the dice in their sex lives to gain an all-important edge in the game of life.
Unlike most mammals, mature male orangutans exhibit different facial characteristics: some develop large "cheek pads" on their faces; other males do not. A team of researchers studied the difference in reproductive success ...
Some mountain gorilla females linger into adulthood in the group into which they were born. In the process they also remain in the company of their father, who is often their group's dominant male. To curb inbreeding, though, ...
Lemur girls behave more like the guys, thanks to a little testosterone, according to a new study.
Males that mate more often are more insecure about their social status than those mating less, according to new research on the behaviour of burying beetles.
When it comes to weathering the slings and arrows of outrageous fortune, male macaques get by with a little help from their fellow dudes, according to new research.
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.