Incredible Insects • 2015

48:02

The Maldives are the lowest country in the world-and getting lower, due to rising sea levels. Especially at risk is the island's reef system, the biggest in the Indian Ocean, with over 200 types of coral and thousands of tropical fish species. Witness the race to preserve this marine paradise from the ravages of climate change.

13 • Great Blue Wild • 2017 • Nature

59:22

Liz Bonnin presents a controversial and provocative episode of Horizon, investigating how new scientific research is raising hard questions about zoos - the film explores how and why zoos keep animals, and whether they need to change to keep up with modern science, or ultimately be consigned to history. Should zoos cull their animals to manage populations? Liz travels to Copenhagen Zoo, who killed a giraffe and fed it to the lions, to witness their culling process first hand. They think it is a natural part of zoo keeping that is often swept under the carpet. Should some animals never be kept in captivity? In a world exclusive, Liz visits SeaWorld in Florida and asks if captivity drove one of their orcas to kill his trainer. But could zoos be the answer to conserving endangered species? Liz examines their record, from helping breed pandas for the wild to efforts to save the rhinos. She meets one of the last surviving northern white rhinos and discovers the future of this species now lies in a multimillion-dollar programme to engineer them for stem cells. Veteran conservation scientist Dr Sarah Bexell tells Liz the science of captive breeding is giving humanity false hope.

Horizon • 2016 • 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.

S1E4 • Alaska: A Year in the Wild • 2017 • Nature

22:15

David Attenborough highlights the curiosities that have led to accusations of forgery, but have ultimately helped assist the rethinking of evolution. When early explorers brought the first specimen of a duck-billed platypus to England in 1799, it was considered so bizarre it was deemed a hoax. Similarly, the midwife toad became the centre of a scientific storm in the 1920s that led to accusations of fakery.

S1E2 • Natural Curiosities • 2013 • Nature

20:57

A look at how a bird could sing without using its voice and how an octopus could simply disappear from his aquarium tank.

S1E7 • Nature's Strangest Mysteries: Solved • 2019 • Nature

52:56

From the shelter of our homes, snow looks magical, but it's a harsh reality to many animals. Snow means freezing temperatures, which these animals must endure for many months. Wildlife cameraman Gordon Buchanan meets some of the world's most iconic snow animals across the globe, from the penguins of Antarctica to the bison of Yellowstone and the Arctic fox. Beyond the Arctic Circle in northern Norway, he encounters wolves, lynx, reindeer, polar bears, muskox, and even a woolly bear - the most miraculous, coolest Arctic caterpillar! Buchanan reveals the incredible adaptations and extraordinary strategies these animals use to survive.

2017 • Nature