Mysterious • 2017 • episode "1/5" • Big Pacific

56:39

In the heart of the Atlantic, Gordon Buchanan joins a team looking to discover why huge numbers of devil rays, fish with 'wings' nearly four metres across, and gather every summer near the Azores archipelago. In northeast Turkey the on-board cameras are carried by brown bears as part of a study trying to understand why so many bears survive in a small patch of forest. In southern France on-board cameras help scientists trying to prove that guard dogs can help protect sheep flocks from wolf attacks. The night-vision cameras show how the dogs work together as a team to fend off the wolves.

S1E3 • Animals with Cameras • 2018 • Nature

43:25

Young animals prepare for their first winter away from their parents, humpback whales return to Alaska's rich feeding grounds and salmon return to spawn in the rivers where they were hatched. But the returning salmon have to negotiate a path past hungry brown bears fattening themselves before they hibernate.

4/4 • Alaska: A Year in the Wild • 2017 • Nature

28:59

In this final episode, Iolo explores bird design - from their ability to fly to the way that their beak design, colour and camouflage enable them to live in the many habitats Wales has to offer. Using ultra-slow motion photography, Iolo looks at how garden birds have such control over take off and landing, and explains why fulmars are one of our most supreme fliers.

5/5 • Secret Life of Birds • 2012 • Nature

45:55

An in-depth look at the northern Andes' active volcanoes, cloud forests, and wildly diverse collection of creatures.

3/3 • The Wild Andes • 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

32:35

The first jaguar scientists struggled to go anywhere near their subjects. But times have changed. There are now a couple of places in the world where seeing a wild jaguar is a possibility rather than a dream.

6/7 • The Secret Lives of Big Cats • 2019 • Nature