The sound of 10,000 geese honking is unison is terrifying. It seems like something straight out of a horror movie.

Facebook user Scott Smith recently posted a video of a flock of over 10,000 geese flying onto Seeley Lake in northwestern Montana on his Facebook page. Personally, I have never seen so many birds in one place, but in that area it is very common this time of year.

What's more impressive than the sight is the sound made by the large number of geese migrating south. Check out the video below and make sure your sound is on.

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