![Sex in the Wild](https://image.pbs.org/contentchannels/djRSWYB-black-logo-41-zQzaBQD.png)
Dolphins
Joy and Mark investigate the reproductive secrets of marine mammals to learn how animals that breathe air manage to mate, give birth and raise their young underwater. Witness a dolphin birth, explore the difficulties of breastfeeding underwater and learn how dolphin and whale young avoid predatory killer whales.