Lori Wilkinson, bull elk, Yellowstone (recommended) Wilderness
A bull elk drinks from geyser runoff in Yellowstone National Park.
U.S. National Park Service
Suggested credit: National Park Service/Lori Wilkinson || Dimensions in Inches: 7.9 x 11.1; Exposure: 1/200 sec; F Number: f/8; ISO: 800; Focal Length: 150.0 mm
National Park Service/Lori Wilkinson
Public domain:NRSS Office of Outreach and Education has photographer license/rights transfer agreement on file.