Forests • 2012 • episode "Part 3" • Wild Germany

44:22

With the arrival of spring, days grow longer and temperatures rise. But spring in Alaska is short. Animals have two months to feed, and start a family, while avoiding predators. Spring is also the time that millions of birds return to Alaska.

S1E2 • Alaska: A Year in the Wild • 2017 • Nature

48:37

We look at the ways in which plants have adapted to survive in the harshest climates on Earth. Whether in the driest, hottest deserts or the coldest Arctic wastes, plants have come up with some ingenious ways of surviving, including eating animals and actually caring for their offspring.

S1E6 • Private Life of Plants • 1995 • Nature

59:03

Everyone loves giraffes, but what do we really know about them? Dr Julian Fennessy starts to reveal their secrets - the most important being that they are disappearing. In an urgent and daring mission, with a determined Ugandan team, he plans to round up 20 of the world's rarest giraffe to take across and beyond the mighty Nile River. The stakes are high, but if they succeed the reward will be a brighter future for an animal we have somehow overlooked.

Natural World • 2016 • Nature

4:43

The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant horizon in a third of a second. How did these complex structures evolve? Joshua Harvey details the 500 million year story of the human eye.

TED-Ed • Nature

29:37

Pumas are also known by the names of cougar or mountain lion. However, these cats are only distantly related to lions. They're much more closely related to cheetahs. And while pumas are often found in mountains, they're just as at home in the lowlands, dense forests, or deserts.

S1E3 • The Secret Lives of Big Cats • 2019 • Nature

87:05

Before man ruled the world, Earth was a land of giants. Count down the biggest beasts of their kind to ever roam the planet in this eye-opening special, and uncover the secret lives of these supersized species. Birds with plane-length wingspans, dinosaurs rivalling a Boeing 737; this stunning CGI special goes in search of the truth behind these monsters, counting down the ten largest and most extraordinary finds. From handling the recently unearthed bones of a dinosaur far larger than previously known, to analysing the flight technique of a giant seven-metre bird uncover the unique adaptations that allowed each animal to thrive. Visual stunts and surprising size comparisons bring each beast vividly back to life in ever-increasing sizes. Get ready for a dramatic countdown of the most mind-blowing lost giants.

2015 • Nature