Mysteries of Evolution • 2017 • 4 episodes • 2h:18m

The evolutionary journey of life on Earth spans millions of years – and the results are as diverse as they are jaw-dropping. Travel through time as we explore the amazing adaptations that help certain species excel within their environments.

Amazing Head Adaptations

Why are vultures bald? Why do some orangutans have big cheeks? And if giraffes have long necks to help them reach the highest leaves, why do they mostly eat low-lying shrubs? Embark on a whirlwind tour around the world as we explore some of nature's most-fascinating evolutionary wonders.

1/6 • 2017 • Nature

Internal Adaptations

Clownfish can change genders, male seahorses carry their young, and some snakes have remnants of leg bones--but why? Discover how significant evolutionary changes inside these creatures have equipped them for survival.

3/6 • 2017 • Nature

Animal Social Lives

Bees and ants work selflessly toward a common goal. Bonobos maintain social harmony through sex, while meerkats organize themselves with military-level discipline. What do these creatures all have in common? The basic recognition that their survival hinges on an ability to work and live together.

5/6 • 2017 • Nature

Ancient Species

The older a species, the better it is at adapting to change. From the ancient lineage of sharks, who've evolved into perfect predators, to the living fossil known as the bichir, get a closer look at some of nature's enduring evolutionary masters.

6/6 • 2017 • Nature