Mammals: Episode Description

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Watch humpback whales on a heat run.

Watch a sengi outwit a hungry lizard.

More "Mammals."

Mammals are found in every habitat except the deep ocean. Besides their signature physical traits of fat, fur and warm blood, they are unique among animals in the care they lavish on their young.

In an astonishing sequence, an elephant grandmother shoves her inexperienced daughter aside to pull her newborn granddaughter out of the mud and save her life.

Unlike reptiles, warm-blooded mammals can cope with extreme cold — the Weddell seal is able to survive the punishing winter temperatures on the Antarctic ice. Numbering more than ten million, giant fruit bats in Zambia migrate to a mega-roost. In a television first filmed off Tonga, male humpback whales travel hundreds of miles for the chance to breed with a single female in a violent contest called the "heat run."

TELEVISION FIRSTS

The first filming of a humpback whale mating battle called the "heat run."
Ten million fruit bats migrate to one giant mega-roost in Zambia. This massive colony has only recently been discovered by scientists.
More than a dozen polar bears feeding on a huge whale carcass and confronting one another in possibly the largest gathering of polar bears ever filmed.
The first use of a new camera tracking system — "the yogi cam" — developed exclusively for Life, which allows the camera to track smoothly with migrating reindeer and elephants.

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Challenges of Life	Reptiles and Amphibians	Mammals	Fish

Birds	Creatures of the Deep	Hunters and Hunted	Insects

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