They are said to have scampered off at the sight of humans, some carrying pieces of flesh.
I’ve said that I’ve seen the Black and Grey squirrels in Vancouver plotting some sort of action, but I’ve always been dismissed as the kook. I’ve seen their blueprints, and they’re sick of eating acorns; they want sweet, juicy, human flesh, and they’re running test scenarios with canines. Just wait.
Some choice comments on the metafilter thread