Guarda video gratuiti Yellowstone National Park: Wolf Cascade

(7.38 MB) aggiunto il 13 May 2016 giocato 171 volte Animali Animali Selvaggi Nature
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Yellowstone National Park: Wolf Cascade

Descrizione dell'animazione:

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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