| Birds | Greater White-fronted Goose Anser albifrons    Copyright David Seibel, 2017 (#12411) | Send Comment Camera: Canon EOS 7D Mark II Exposure: 1/2000 sec, f/8.0, ISO 800 Lens: Canon 500mm f/4L IS + 1.4x II TC Date: October 16, 2017 Location: Quivira National Wildlife Refuge, Kansas, USA