Migración: depredación

The video describes the annual sardine migration from the Antarctic to South Africa, highlighting the journey of millions of sardines and the mass of predators that follow them. It details the path of the sardines through cold water corridors and the sophisticated hunting techniques used by predators like dolphins and gannets. The migration concludes as warm currents push the sardines back, and predators return home.

What environmental conditions do sardines require to survive?

Explain the significance of the 'blue waterfall' in the sardine migration.