Synopsis
The wildlife documentary series narrated by David Attenborough explores a vast ocean desert where sperm whales must dive 1,000 metres just to feed.
- Programme: Blue Planet II
- Episode: 4: Big Blue
- Channel: BBC One
- Broadcast year: 2017
- Biology | Ecology
Licence: ERA Licence required
UK only
Staff and students of licensed education establishments only
Cannot be adapted
Add Notes
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