2/9. The Elephant's Guide to Sex. With the rates of extinction currently at 10,000 times the natural trend, it is becoming paramount for man to use his ingenuity to save the planet's endangered species. For Dr Thomas Hildebrant , it's a hands-on profession, as he reveals how to get elephants and rhinos in the mood for love, and why a cheetah won't release an egg until it's first had sex.
Director/Producer Charles Colville