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The Dark: Nature's Nighttime World

Episode 3: Patagonian Mountains

Duration: 59 minutes

on BBC Four

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

BBC Four

About BBC Four

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.