In most mammals, males disperse to a new group after reaching sexual maturity. Dispersal often entails costs and is risky. New results from spotted hyenas show that males from the same birth group -- ...

HATTIESBURG, Miss. (AP) — Just a year after her arrival at the Hattiesburg Zoo, spotted hyena Pili has given birth to what is believed the only surviving hyena cub born in North America so far this ...

In hyena societies, demographic processes -- not status seeking -- account for the majority of hierarchy dynamics and cause an on-average lifetime decline in social hierarchy position. In some ...