Previews + Extras
Why the Giant Sequoia Needs Fire to Grow
S35 E12 - 2m 37s
Giant sequoias are the largest trees on Earth. They can grow for more than 3,000 years. But without fire, they cannot reproduce.
Pika Builds Nest to Survive Long Harsh Winter
S35 E12 - 2m 57s
The pika, a close relative of the rabbit, lives in some of the harshest environments on earth, including the Himalayas and Ural Mountains of Russia. In order to survive the long cold winter, it builds an edible nest of plant material, which serves as it's food store, as well as a cozy home.
Newt Mating in the High Sierra | Yosemite Web Exclusive
S35 E12 - 3m 6s
Sierra newts spend most of their lives on land, in the moist parts of the forest, but once a year they return to their place of birth to seek out a mate. The minute she enters the water, males are upon her in an instant and the competition is fierce.
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