| Birds | American Avocet Recurvirostra americana    Copyright David Seibel, 2010 (#4117) | Send Comment Camera: Canon EOS 7D Exposure: 1/2000 sec, f/8.0, ISO 400 Lens: Canon 500mm f/4L IS + 1.4x II TC Date: April 30, 2010 Location: Quivira National Wildlife Refuge, Kansas, USA