Life on Earth

S01E09 The Rise of the Mammals

This episode delves into the fascinating evolution of mammals from their reptilian ancestors, tracing back 200 million years. The journey highlights key adaptations such as the ability to maintain body heat, the transition to giving birth to live young, and the nurturing of infants through lactation. Sir David Attenborough investigates the origins of marsupials in South America and their subsequent migration and establishment in Australia, showcasing the incredible diversity and resilience of these creatures throughout history.