This mammal breaks one of nature's biggest rules – and scientists have finally worked out why… - BBC Wildlife Magazine

Humans aren’t the only ones who benefit from nepotism – female hyenas pass down their privilege to their children, whereas males do not

For most mammals, its the males who are dominant. Theyll compete fiercely with each other and a select few of the top males father most of the children. Females usually share motherhood more equally.…