Killer whales wolves of the sea / [videorecording] :
Wolves of the sea [videorecording]
produced by David Parer, Elizabeth Parer-Cook
- Washington, D.C. : National Geographic Society, 1993
- 1 videodisc (60 min.) : sd., col. ; 12 in.
- National geographic [videorecording] .
Narrator: David Attenborough
Shows killer whales in the wild and in oceanariums, and describes their physical and mental characteristics, physiology and bahaviour. Discusses the latest scientific research on these ocean mammals