Which organism in the alpine biome was once nearly extinct and is now on the endangered species list?

The organism in the alpine biome that was once nearly extinct and now is on the endangered species list is the Grizzly bear. Grizzly bears are perhaps the highest-profile endangered animal of the alpine biome.  At the current state, only 1.000 – 1.2000 grizzly bears are remaining in North America from once estimated 50.000. Part of the reason grizzly bears became endangered is the shortage of the food. 

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