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From: On the way to Tana, Madagascar
Stephen plans his will as the plane flies through stormy skies.
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From: Near Berenty, Madagascar
Stephen and Mark pay a visit to a healing ceremony.
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From: Bwindi National Park, Uganda
'It was worth every sobbing, gasping, aching step.'
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From: Bwindi National Park, Uganda
Stephen sets off on a gruelling two-hour trek.
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From: Ngamba Island
Stephen looks back on an incredible week.
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From: Nairobi National Park, Kenya
Stephen looks on as the rhino translocation effort continues.
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See Mark's video on the rhino translocation effort.
From: The Cassiquiri on the Aripuana
Stephen considers the big issues.
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From: The Cassiquiri at the mouth of the Aripuana River
Stephen introduces the napkin moth.
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From: Ariau Towers near Manaus.
Stephen and Mark venture out for a night search for one of the manatee's main predators.
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Stephen Fry and Mark Carwardine travel to some of the most remote places on earth in search of animals on the edge of extinction. Follow the journey online through exclusive video and blogs.
The BBC is not responsible for the content of external websites.
