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The Great Melt
The first in a new series about the most dramatic wildlife spectacles on our planet.
The summer melt of Arctic ice, opening up nearly three million square miles of ocean and land, .. show full overview
The Great Salmon Run
Every year, the survival of grizzly bears in North America depends on a spectacular natural event: the return of hundreds of millions of salmon from the Pacific Ocean to the mountain .. show full overview
The Great Migration
Each year over one million wildebeest and zebra invade the Serengeti grasslands, making it a paradise for the predators the live there. But what happens when the herds move off again? We .. show full overview
The Great Tide
A mighty army of dolphins, sharks, whales, seals and gannets hunt down the billions of sardines along South Africa's east coast each winter. This is the Sardine Run: an underwater .. show full overview
The Great Flood
Millions of animals time their migration across the Kalahari Desert to coincide with the the annual flooding of Botswana's Okavango Delta.
The Great Feast
The summer plankton bloom in the north-east Pacific draws in animals in great numbers, from the billion-strong shoals of herring to migratory humpback whales.
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