Blue planet II. Episode 4, Big blue /

The open ocean is like a vast marine desert. To survive here animals go to the extreme with epic feats of endurance and intelligence.

Bibliographic Details
Other Authors:	Ruthven, John (Producer) (Producer), Brownlow, Mark (Producer), Attenborough, David, 1926- (Narrator)
Format:	Video
Language:	English
Language Notes:	In English.
Published:	London : BBC Worldwide, 2017.
Series:	Academic Video Online
Subjects:	Ocean. Marine animals. Marine ecology. Mer. Faune marine. Marine animals Marine ecology Ocean Documentary television programs Nature television programs Science television programs Video recordings for the hearing impaired. Documentary television programs. Nature television programs. Science television programs. Documentaires télévisés. Émissions télévisées sur la nature. Émissions scientifiques télévisées. Vidéos pour personnes handicapées auditives.
Online Access:	Connect to this streaming video (Alexander Street Press)