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Nature
Penguin Invasion!
The Adélie penguin (Pygoscelis adeliae) is a species of penguin common along the entire Antarctic coast. During the breeding season, they congregate in large colonies, some over a quarter of a million pairs. Much to the annoyance of the larger Emperor penguin, their breeding grounds overlap.
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Discover how cats first crossed from Asia into North America and became the top predators.
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Discover how the first cats arose in the forests of Asia and later came to conquer Africa.
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Animals congregate in huge colonies partly out of necessity and partly for the security.
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Finding a good base of operations is key to successfully raising a family.
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The first in a three-part series about how animals build their remarkable homes.
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A biologist crosses the species divide and becomes part of a wild mule deer family.
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Zebras embark on a mass migration from the saltpans of Botswana in search of water.
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The mysterious eel is found all over the globe, in fresh and salt water ecosystems alike.