Spotted Hyena

The spotted hyena, also known as the laughing hyena, is a hyena species, currently classed as the sole member of the genus Crocuta, native to Sub-Saharan Africa. It is listed as being of least concern by the IUCN on account of its widespread range and large numbers estimated between 27,000 and 47,000 individuals. Spotted hyena milk has the highest protein content of any terrestrial carnivore.

here's the answers to your questions

1.are hyenas friendly? Yes, hyenas can be dangerous to humans. They are highly intelligent, social animals who are generally known as scavengers, although in truth they are formidable predators. They do frequently steal fresh kills from lions, leopards and cheetahs. ... Visual inspection of hyenas make it seem as if they are all males.

2.can hyenas kill a lion?Hyenas and lions cover the same ground, hunt the same prey, and scavenge the same remains of animals. Consequently they steal food from each other, chase each other, and even kill each other's young.