Bison Grazing in Yellowstone National Park, Wyoming

Several bison graze in Hayden Valley

Taken in Yellowstone National Park, Wyoming on Sep 16, 2009

Keywords hayden valley buffalo bison

Category Animals

Camera

Canon EOS 30D

Lens

EF100-400mm f/4.5-5.6L IS USM

Aperture

F7.1

ISO

100

Focal length

400.0 mm

Program type

Shutter speed

1/256 sec

Exposure bias