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6 Episodes 2004 - 2004
Episode 1
Millions of tiny sardines migrating along the coast of Africa are on a collision course with hungry dolphins, sharks, seals and gannets.
Episode 2
25 mins
Somewhere in Africa, a group of flamingos get into a battle with baboons. Will the birds survive? And how come these two different species get into an encounter when this specific herd of pink vertebrates normally lives at Lake Bogoria (which is baboon-free)? We take a look back.
Episode 3
The mass movement of migrating wildebeest across the Serengeti in search of fresh grazing land is thought to be the greatest movement of land animals anywhere on Earth. But the migration is not without danger. Aside from the threat of the big cats, the herds are also faced with over 3000 crocodiles lurking in the murky waters of the Mara River during their river crossing.
Episode 4
Every year, 300 million salmon return to the Alaskan river where they were born. But they are swimming into a trap. Hungry salmon sharks, bald eagles and grizzly bears eagerly await their return.
Episode 5
A terrifying ordeal awaits thousands of Adelie penguins in Antarctica. Skuas attack them when the young are first born and when they leave their colony for adult life at sea, a predatory leopard seal lurks menacingly offshore.
Episode 6
26 mins
Every year, 40 million Mexican free-tailed bats swarm from a cave in Florida. Half are babies precariously taking wing on their maiden flight - straight into the path of snakes and hawks with big appetites. Their speed and maneuverability help them avoid predators but the major factor in their survival is total numbers.