Angelique Jackson When Lupita Nyong’o was asked to narrate the Discovery nature documentary series “Serengeti,” the Oscar-winning actor jumped at the opportunity — not just because the subject celebrated to her heritage as an African woman, but because it was an offer she never expected.“I hadn’t really heard of a nature documentary narrated by a woman. And I certainly had never heard of a nature documentary narrated by an African woman,” Nyong’o tells Variety.