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.
Show
Delilah
Episode
S01E09
Air Date
Mar 13, 1979
Season 1 Episodes
S01E01
Everything to Everyone
S01E01
The Infinite Variety
S01E02
Toldja
S01E02
Building Bodies
S01E03
The First Forests
S01E03
Sometimes Apart
S01E04
The Swarming Hordes
S01E04
Andre
S01E05
No Good Deed
S01E05
Conquest of the Waters
S01E06
Not Waving But Drowning
S01E06
Invasion of the Land
S01E07
The Purple Empress
S01E07
Victors of the Dry Land
S01E08
Lords of the Air
S01E09
The Rise of the Mammals
S01E10
Theme and Variations
S01E11
The Hunters and Hunted
S01E12
Life in the Trees
S01E13
The Compulsive Communicators