Back to Index Horned Lark Eremophila alpestris    Copyright David Seibel, 2006 (#1042) | Send Comment Camera: Canon EOS 20D Exposure: 1/1250 sec, f/5.6, ISO 200 Lens: Canon 500mm f/4L IS + 1.4x II TC Date: June 26, 2006 Location: Standing Rock Indian Reservation, South Dakota, USA