播出2009年11月01日敬请关注！

简介：Across the animal kingdom, some of the most essential lessons — and the most extreme challenges — occur in the first moments of life. From ostrich to orangutan, egg sac to live birth, infanticide to matricide, the diversity of behaviors between parent and progeny is as great as the diversity of life on our planet.As animal parents struggle to help their young survive their first days in the wild, they face seemingly insurmountable odds. Penguins travel literally the ends of the Earth to protect their infan……