Fear and fascination were my companions one eventful October night. When darkness falls, the mystery of the unknown is most certain to stir human imagination. If you’ve ever heard the call of an owl in the dead of night, you know how fully it grabs your attention. Learn about the eyes of the Great Horned Owl, how it is able to rotate its head in a 270° arc, and its daylight activity in this photo illustrated story about an owl that hooted atop of my chimney.