Episode list

Ecotasia

The American Pika: Nature's little biochemist
The American pica lives in a sparse ecosystem in the Utah mountains where food is not available in the winter. But instead of hibernating this rodent stores vegetation that transforms from inedible to edible over the course of the winter.
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How to Bring Back an Extinct Species: De-extinction is Already Happening
Biologist are making progress bringing back extinct species. Surrogate mothers have given birth to extinct animals though, so far, their life spans has been brief. There could be some substantial benefits to reintroducing extinct species in some situations but ethical questions also need to be resolved.
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Icon of the American Desert: The Mighty Saguaro Cactus
Saguaros are the giants of the cactus family growing like trees in the Sanoran Desert. A keystone species, it provide habitats for various birds thanks to the efforts of the gila woodpecker that bores a hole for its nest for a season then abandons it to other species of tenants.
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What is an Umbrella Species? Can it Save Wildlife?
One approach to ecological conservation involves identifying umbrella, keystone, indicator and flagship species. These designations run the gambit from measuring the health of a habit to marketing the desirability of protecting that habit. The concept is intended to make habit management easier but it is controversial and not necessarily easy.
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