Δες δωρεάν βίντεο Yellowstone National Park: Wolf Cascade

(7.38 MB) Προστέθηκε στις 13 May 2016 παίχτηκε 171 φορές Ζώο Άγριο ζώο Nature
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Yellowstone National Park: Wolf Cascade

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Wolves are are inextricably linked to many other animal and plant species. The trophic cascade of effects caused by their reintroduction is being studied.

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