A grey wolf member of the Agate packs runs towards the Blacktail pack along Specimen Ridge in Yellowstone National Park. Captured with a Canon 7D and 500/4.0L IS in aperture priority mode with an exposure bias of - 2/3 at ISO400, f/7.1, and 1/2500th of a second. The camera was resting on a beanbag.

2012AprilCanis lupusDave ShumwayEarthFragile PlacesLittle AmericaMarchNational ParkNaturalNatureNorth AmericaNorth AmericanOutsideSpecimen RidgeSpringUSAUnited StatesWYWildWild PlacesWildernessWinterWyomingYNPYellowstonegrey wolf1204012972