Hyenas usually lose their kills and have to wait for lions to finish eating. However, hyenas in force often unnerve female and immature lions by advancing threateningly and noisily shoulder to shoulder, though rarely attacking. They get nowhere with big male lions. DOGS Hyenas regularly try to profit from this predator's hunting efficiency, but even when greatly outnumbered, wild dogs usually stand off hyenas by mobbing and punishing one at a time. Lack of cooperative defense places hyenas at disadvantage.
Spotted hyenas take their kills at every opportunity.
When they see vultures volplaning to earth, hungry hyenas race to the spot. Among the most vociferous African mammals, with 11 different, intergrading calls. Groans and soft squeals Often exchanged during greeting. Most whoops are emitted by males and apparently ignored by other clan members. When a female calls, her relatives and offspring react immediately.