Mammoth Hot SpringsYellowstone National Park© Catherine Moore
Bull Elk River BattleYellowstone National Park, Wyoming© Barbara Magnuson/Larry Kimball
YellowstoneYellowstone National Park, United States © Jeanne Anderson
Emerald Hot SpringYellowstone National Park© Catherine Moore
Grizzly Bear YearlingWyoming, Yellowstone National Park© Barbara Magnuson/Larry Kimball
Grizzly SowWyoming, Yellowstone National Park© Barbara Magnuson/Larry Kimball
Grizzly Sow 2Wyoming, Yellowstone National Park© Barbara Magnuson/Larry Kimball
Great Gray Owl and RobinWyoming, Yellowstone National Park© Barbara Magnuson/Larry Kimball
Steamboat GeyserYellowstone National Park© Catherine Moore
Mammoth Hot SpringsMinerva Terrace; Yellowstone National Park, Wyoming© Dharmesh Desai
Icy Reflection (Yellowstone Lake)Yellowstone National Park, Wyoming© Dharmesh Desai
ElkYellowstone National Park, Wyoming© Jamie Krueger
Yellowstone FallsYellowstone National Park© Catherine Moore
Canadian Geese FamilyYellowstone National Park, Wyoming© Barbara Magnuson/Larry Kimball
White Dome GeyserYellowstone National Park© Catherine Moore
Great Fountain Geyser at SunsetYellowstone National Park, Wyoming© Theresa Husarik
