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.
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.
Researchers identify a pheromone in the urine of male tilapia fish that stimulates spawning in females
The exchange of chemical signals between organisms is considered the oldest form of communication. Acting as messenger molecules, pheromones regulate social interactions between conspecifics, for example, the sexual attraction ...