Kijk gratis video Yellowstone National Park: Wolf Cascade

(7.38 MB) toegevoegd op 13 May 2016 190 speeltijden Dier Wild dier Nature
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Yellowstone National Park: Wolf Cascade

Animatiebeschrijving:

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