Natural World

- Season 36

(2018)

Beloved British naturalist David Attenborough explores the wonders and mysteries of bird eggs.

Size matters in wildlife, for species and individuals. As relative skin surface versus mass decreases exponentially with size, large animals have an advantage in the cold, hence Arctic species tend to be larger, like the polar bear, but a disadvantage in war weather, requiring adaptations in the tropics and deserts to cool down, gather or conserve water. Larger also means stronger, a better chance to fight enemies like predators or rivals for food and mating rights. Being large requires adaptations, which even puts limits on size, especially on land, to cope with ...

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For the last decade, a team of front line medics has been fighting to save Borneo's critically endangered orangutans. Armed with cameras, International Animal Rescue has documented their struggle: pulling apes from devastated jungle, giving emergency medical care, rehabilitating, and releasing the healthiest orangutans back into the wild. This is both the story of their life-saving work and of how one of our closest wild relatives has been pushed to the brink of extinction. Combining genuine rescue footage with contributions from experts throughout, this Natural World...

Conservationist Maria Diekmann visits Vietnam, Thailand and China to show how unusual scaly mammals called pangolins have become one of the most poached and illegally trafficked animal species in the world. Narrated by David Attenborough.

A look into the world, varieties and the abilities of squirrels, and how they inspire new technologies in robotics. Also, an orphaned baby squirrel is raised by people.

On September 12, 2015 in Monterey Bay, California, a 30-ton humpback whale breached and landed on kayakers Tom Mustill and Charlotte Kinloch. Mustill returns to California to find out more about the whale.

David Attenborough's nature documentary about the wondrous Tasmania that also tries to debunk the ugly stereotypes about its most famous, notorious and, of recently, endangered inhabitant, the Tasmanian devil.