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Nature
Swarm of Crab Mothers Cross Traffic to Lay Thousands of Eggs
An army of Red land crabs migrates miles as some mothers prepare to lay up to 80,000 eggs apiece. These eggs need to salt water to survive, so the mother's mission is to get to the sea in a journey fraught with danger.
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Witness the springtime migrations of butterflies, birds, bison & bats.
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Celebrate spring in this live event broadcast from iconic locations across North America.
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Take a global tour of the most fascinating members of the modern horse club.
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Travel around the world to uncover the history of mankind’s relationship with the horse.
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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.