| Birds | Eastern Bluebird Sialia sialis    Copyright David Seibel, 2017 (#12385) | Send Comment Camera: Canon EOS 7D Mark II Exposure: 1/1000 sec, f/8.0, ISO 800 Lens: Canon 500mm f/4L IS + 1.4x II TC Date: October 13, 2017 Location: SE of Arkansas City, Kansas, USA