Episode 4
UK wildlife series. Chris Packham and Kate Humble are in north Norfolk to witness the 'knot spectacle' - 40,000 wading birds flying in formation.
Chris Packham and Kate Humble are in north Norfolk to witness one of the most spectacular autumn phenomena. The 'knot spectacle', 40,000 wading birds flying in formation, is a truly unforgettable wildlife event. Meanwhile, Simon King reports live from the Forest of Dean, unearthing yet more surprising autumn stories as well as unveiling the final chapter of the red deer rut. Gordon Buchanan concludes his North Sea quest for killer whales and Martin Hughes-Games shows how to get more involved with wildlife.
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Clips
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Getting closer to the forest
Duration: 04:48
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Badgers in autumn
Duration: 04:26
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Ballet of the knot: behind the scenes
Duration: 02:42
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The knot spectacular
Duration: 01:51
Chapters
Timings (where shown) are from the start of the programme in hours and minutes
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Introduction
Gatherings is the theme of episode 4.
Duration: 02:13
Norfolk 1
Kate and Chris set out to witness thousands of birds flocking.
Duration: 04:16
Forest of Dean 1
Simon King is in Gloucestershire on the trail of woodland fallow deer.
Duration: 06:16
Norfolk 2
The birdwatching duo move to RSPB Snettisham.
Duration: 04:32
Killer whales
Gordon presents the full story of filming killer whales.
Duration: 06:56
Forest of Dean 2
Simon sets out to film badgers and does a little foraging.
Duration: 06:18
Norfolk 3
More from Norfolk and The Wash.
Duration: 04:09
Science with Chris
The strategies at play when birds whirl around in the sky.
Duration: 03:01
Norfolk 4
Knots, pink-footed geese and starlings.
Duration: 04:49
Coming up on Unsprung
Martin Hughes-Games talks ladybirds and garden birds.
Duration: 04:42
Weather
Weekend forecast from Jay Wynne at the 麻豆社 Weather Centre.
Duration: 03:15
Forest of Dean 3
Foraged delights, paddling the River Wye and climbing into the forest canopy.
Duration: 05:47
Goodbye
Includes remote camera video of a sparrowhawk nest under attack from a kestrel.
Duration: 02:01
Credits
Role Contributor Presenter Chris Packham Presenter Kate Humble Presenter Simon King Presenter Gordon Buchanan Presenter Martin Hughes-Games Producer Roger Webb Executive Producer Tim Scoones