ALTERNATE TITLE: "Dragon Tail"

Or is it an alien monster, crawling along the window ledge?
It looks a bit prehistoric, doesn't it?

Camera Model: Canon PowerShot S2 IS, Manual Exposure; Shutter speed: 1/50s; Aperture: 2.7; ISO Speed: 50; Focal Length: 6.0 mm; Digital Zoom: None; Image Stabilizer: On