Squirrels accounted for 28% of fiber cuts in 2010 for Level 3 Communications.[1]<p>[1] <a href="http:&#x2F;&#x2F;blog.level3.com&#x2F;level-3-network&#x2F;the-10-most-bizarre-and-annoying-causes-of-fiber-cuts&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blog.level3.com&#x2F;level-3-network&#x2F;the-10-most-bizarre-a...</a>