mhalachai:

babyanimalgifs:

This is truly incredible.

This is a textbook example of trophic cascade, where predators influencing the behaviour of their prey species drastically influences species elsewhere on the “food chain” or trophic level.

And it’s amazing.

This is a short documentary on this subject on wolves in Yellowstone:

here’s a slightly longer one (with surprise!narrator Edward Norton):

Everything is connected.