1. The Great Melt

The Arctic snow melt causes the arrival of millions of animals that now must sha... Mas Marami

2. The Great Salmon Run

In British Columbia, Canada, the survival of carnivores like bears depends on th... Mas Marami

3. The Great Migration

The animals drawn to the Serengeti plain after the annual rains must contend wit... Mas Marami

4. The Great Tide

Cooling South African coastal waters draw billions of sardines and many ocean pr... Mas Marami

5. The Great Flood

The flooding of the Okavango River draws in wildlife, including both predators a... Mas Marami

6. The Great Feast

Faced with the journey across the Pacific to feed, a young humpback tries to survive.