Scarecrows should, by definition, be scary, at least to birds. Encountering this one would give anyone the heebie-jeebies for a good week or so! It's described as what an Tolkien Orc would look like if it were struck by lightning. This is just one from the list of 13 Creepy Geeky Scarecrows you'll see at WebUrbanist. Link -via Maajak World
Update: The scarecrow shown here is a sculpture from 2005 called Roots, by Pumpkinrot. -Thanks, Linda H!