The Rebel Army • 2016 • episode "S1E4" • Savage Kingdom

53:37

This programme focuses on birds. The feather is key to everything that is crucial about a bird: it is both its aerofoil and its insulator. The earliest feathers were found on a fossilised Archaeopteryx skeleton in Bavaria. However, it had claws on its wings and there is only one species alive today that does so: the hoatzin, whose chicks possess them for about a week or so. Nevertheless, it serves to illustrate the probable movement of its ancestor. It may have taken to the trees to avoid predators, and over time, its bony, reptilian tail was replaced by feathers and its heavy jaw evolved into a keratin beak.

8/13 • Life on Earth • 1979 • Nature

57:44

Liz meets the animal rogues doing whatever it takes to find food. From kleptomaniac crabs on a stealing spree, tigers deceiving their prey and chimpanzees waging war on their neighbours, the need for a square meal can drive many animals to some seemingly extreme behaviour. Liz sets out to discover the science behind these tactics, joining experts making new discoveries around the world. She sees macaques using psychology to pull off a theft, a spider conning its prey with a chemical disguise and the wedge-billed hummingbird stealing nectar from under the beaks of its rivals. When it comes to finding food, this outrageous behaviour is actually an ingenious way to get ahead.

S1E2 • Animals Behaving Badly • 2018 • Nature

51:30

How do you decide nature's weirdest animal? Is it the sloth that hangs upside down and moves so slowly that moss grows in its fur? Is it a sea pen that sits rooted to the seabed in endless darkness and emitting its own glow?

2021 • Nature

50:07

As the cycle completes, life begins anew, showing how resilience and adaptation sustain Earth’s wildlife year after year.

S1E6 • A Wild Year on Earth • 2020 • Nature

4:50

Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino details some incredible facts about dolphins.

TED-Ed • 2015 • Nature

42:37

Take a nerve-wracking dive with great white sharks as they feast on millions of sardines that fall into their trap; it’s one of the most spectacular underwater phenomenons on the planet! Plus you’ll get to patrol reefs with vigilant soldierfish, dance with balletic jellyfish and more!

Part 5 • The Magic of The Big Blue • 2011 • Nature