大象传媒

Sardine run

Like an immense living oil slick just off South Africa's eastern sea board, millions of sardines gather on an epic marine migration. They feast on a seasonal plankton bloom. Following them closely is a host of predators - sharks, dolphins and gannets. The sharks and dolphins drive the sardines against the shore and towards the surface in a trap from which they can rarely escape.

24 September 2009

4 minutes

This clip is from

The Blue Planet—Introduction

African wildlife—大象传媒 Wildlife Finder

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