The more time alpha males spend guarding mates, the higher their stress hormones rise and the more their energy reserves ...

A study published in 2011 provided one of the first clues that being an alpha male comes with a cost. The research, led by ...

The first evidence pointing to the unique daily problems faced by alpha male baboons arrived in 2011, when Gesquiere and ...

A few things come to mind when we imagine the alpha male type. They're the ones calling the shots, who get all the girls. But ...

Among baboons, alpha males pay a high price for dominance In baboon society, males occupy a central position, and intense competition determines access to both females for mating and food resources.

New research indicates that alpha male baboons are some of the most stressed – and this stress comes from the effort they put ...

The Amboseli Baboon Research Project has been studying the behavior, social dynamics, and hormone levels of wild baboons in ...

Maybe some of these wolves might challenge the alpha male to take over leadership of ... wolves in the wild Calling wolves alpha and beta animals comes from research on wolves in captivity ...

An animal called a woolly monkey seems like it ... Woolly monkeys live in social groups averaging about 50 individuals and led by an alpha male. These groups can spread out over several acres ...

measured from droppings the animals left behind. The results show, once again, that life is tough at the top. Glucocorticoid levels were 6% higher for alpha males than the rest of the ranks. But the ...