In a never-before-attempted experiment at Bristol Zoo, Liz Bonnin and a team of experts stay up all night to track the diverse sleep patterns of animals from lions to meerkats. Show more
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The Dark: Nature's Nighttime World
Episode 2: Amazon Flooded Forests
1 hour
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Northern Ireland HD
Nature series. In the flooded forest in the heart of the Amazon, Dr George McGavin and the team discover species new to science in a giant cave system. Show more
The Dark: Nature's Nighttime World
Episode 3: Patagonian Mountains
59 minutes
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Northern Ireland HD
The expedition culminates in South America, where the nocturnal hunting behaviour of the puma is filmed, and a vampire bat's feeding secrets are revealed. Show more
The Dark: Nature's Nighttime World
Episode 1: Central American Jungle
59 minutes
First broadcast: on BBC Two ScotlandLatest broadcast: on BBC Two Northern Ireland
Nature series. A team of biologists and specialist camera crew explore the jungles of Costa Rica to find out how animals have adapted to life in the dark. Show more