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Available since Monday from BBC One with 27 days left .
7/10 . Unique footage of a killer whale engaging in sneaky behaviour to hunt elephant seal pups.
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Available since Sunday from BBC Two with 12 days left .
5/6 . Ray Mears follows in the footsteps of British explorer David Thompson.
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Available since Sunday from BBC One with 5 days left .
Tom Heap investigates why burning trees is better for the environment than many think.
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Available since Sunday from BBC One with 4 days left .
22/35 . Ellie Harrison travels the Norfolk coast, and goes on the trail of Admiral Lord Nelson.
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Available since Saturday from BBC Four with 4 days left .
The life of adventurer Hugh Munro, who climbed and listed the high peaks of Scotland.
37 more programmes available now .
48 more programmes coming up in the next 7 days.
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